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Minggu, 03 November 2013

Speakers Bureau

Another interesting outreach initiative from the AAVSO is the Speakers Bureau. The Speakers Bureau is a service established for people and groups looking for enthusiastic, knowledgeable speakers to provide informative presentations for astronomy clubs, star parties, banquets, Scout Troops, Astronomy Day activities and other public and private astronomy functions.

You can see a list of the available speakers, along with the list of topics they can cover here. This is only a list of topics the speakers have spoken to in the past. If you're looking for something specific, just ask. We can probably accommodate you.

Most speakers are willing to travel a reasonable distance, generally two hours drive from home, free of charge. Reimbursement for speaking engagements requiring more miles and time can be negotiated on an individual basis with the speakers themselves. The speakers' home town and distance they will travel are included on the web page.

To request a speaker for your astronomical function simply send an email to aavso at aavso dot org with 'Speakers Bureau' in the title. We will put you in touch with the individual you request or suggest one for you.

Some of the speakers from the bureau and I will be giving talks at this years Astronomical League Convention (ALCon 2009) in New York, NY this August. If you are going to attend, look me up. I'm always glad to get to know fellow astronomers.


If you are unable to get a speaker for your event due to time, money or geographical challenges, AAVSO also offers a library of ready-made PowerPoint presentations you can use to give a talk yourself. These are available free for download from the AAVSO Education and Outreach Pages.

Wild Stars- Looking Back

One of the best things about going to these meetings is you learn what astronomers are really looking at, researching, observing with space telescopes and how much the AAVSO is actually appreciated by the professional community.

There were AAVSO light curves in at least one out of three papers given here every day this week. Astronomers using sophisticated space telescopes and 8 meter telescopes on the ground are using AAVSO light curves of novae, recurrent novae, dwarf novae, symbiotic variables and all manner of CVs in their research.

The paper Brad Schaefer gave on recurrent novae was a virtual smorgasboard of historical AAVSO data. His research would be impossible without us, and he says so enthusiastically in the interview I did with him for the podcast. He has a list of five RN that he predicts will blow up in the next five to ten years, and T Pyx is NOT one of them. He is quite sure it will be the monitoring of these stars by amateurs that will result in the timely notification needed to alert astronomers to the rare opportunities these events present.

The professional CV community has given me a lot of one on one ideas to bring to amateurs about what it is they need and want, and how we can contribute in a meaningful way to their research. Steve Howell, Boris Gaensicke and Paula Szkody, talked with me one on one about what amateurs can do to help and what they have already contributed to the cause.

Personally, I learned a lot at this meeting. I was pretty fuzzy on the current hypothesis on pre-CV evolution, and the difference between symbiotic variables and common envelope binaries. I have a much clearer picture of why population studies are so important to CV
research. I was talking with Arne after the last session and telling him how by Thursday I was even beginning to understand x-ray light curves and recognizing emission, absorption, H alpha and beta lines in optical spectrum. I'm beginning to wonder how many spousal permission units it will cost me to buy a spectrograph!

I have a pretty current understanding now of what the core issues are that CV astronomers are trying to untangle, and what its gonna take to get them there. The exciting thing is WE CAN HELP. There is still a lot for amateurs to do with dwarf novae, symbiotics, recurrent novae (we practically own this field!), novae (lots of interest in novae!), and magnetic variables.

Even better, this was perfect timing, because we will probably launch the new CV Section this year after the spring meeting (if not sooner). I was able to rub elbows with all the top researchers in the field and let them know what we have planned and they are enthusiastic about the role we can play.

I got to spend some time with some of the key players from Japan who contribute to CVnet; and as usual, I was impressed with the way professional astronomers like Joe Patterson, John Thorstensen and Boris Gaensicke are willing to share the love of VSO and advise amateurs on how they can contribute to science.

It was awesome. And now my batteries and enthusiasm are fully charged. I'm glad to be home so I can get back to observing some of these wild stars myself!

Arto Oksanen- Finnish Amateur Astronomer Extrordinaire

Arto Oksanen is a Finnish amateur astronomer interested in observing transient objects like gamma-ray burst afterglows, supernovae, novae and cataclysmic variables. He also observes exoplanet transits, and was the first amateur to observe the transit of HD 209458b.

In 2004, Oksanen received the AAVSO Directors Award for his work in variable star research. In October 2007, Oksanen was the first to find optical afterglow of GRB 071010B, which had been detected by the Swift satellite only 17 minutes earlier.

He has also discovered two minor planets (22978 Nyrola and 103422 Laurisiren).

Arto Oksanen is an Internet technology consultant by profession. He lives in Muurame, Finland with his wife Minna and their son Atte.

Recently, Arto has been observing a very interesting eclipsing polar (a highly magnetic cataclysmic variable). We had a chance to talk about just what it is that is so interesting about this star and what his observations may contribute to the knowledge of this system and magnetic CVs in general.

Mike: Hi, Arto. In recent weeks you have been following the very interesting eclipsing polar CSS 081231:071126+440405. How many eclipse timings over how many nights have you now amassed?

Arto: Yes, I have been following it practically every clear night since the outburst, or brightening, was discovered by the Catalina Real-time Transient Survey on the last day of 2008. Since that I have observed a total of 48 eclipses during 19 nights.

Mike: What telescope or telescopes are you using to obtain the data?

Arto: Mostly the 40 cm RCOS telescope of Hankasalmi observatory. It is a very nice telescope on Paramount ME and with a SBIG STL-1001E CCD. Luckily I have got enough observing time for this project. I used the 40 cm Meade LX200 of the Nyr�l� observatory for one night, observing simultaneously with the Hankasalmi telescope. Both telescopes are owned by the local astronomy club. I am the president so that helps a bit.

Mike: Are you manning the telescopes in real time, observing remotely or scripting the runs and then going to bed?

Arto: For the Hankasalmi telescope I have been observing remotely. Basically starting the same script every night and the observatory automation has taken care of observing and parking the telescope and closing the dome the following morning. Photometry is also performed remotely, by a self-written script, and the result is written in the new AAVSO format that can be uploaded by a few clicks. Observing the same object night after night is very effortless. At Nyr�l� the dome is manual, so the observer has to stay there to keep the dome slit aligned with the telescope.

Mike: Can you give us an update? Is the outburst over, have you been clouded out, or are you still collecting data?

Arto: I had to stop observing at the beginning of May. Our skies got too bright for observing then. The outburst seems to continue so, I hope other observers with more southern locations will follow it. OT_J0711+44 will be in conjunction in July so the observing season is soon over for everyone, but hopefully it will remain active for fall when it will be on the morning sky.

Mike: From your location in Finland, how many hours of darkness do you get this time of year? When do you lose nighttime completely, and when does it return for you?

Arto: At this time of year (mid May) we here at 62N latitude don't get any dark hours, just a short twilight that allows us to observe bright targets on southern half of the sky. The observing season starts again in the beginning of August or so.

Mike: Are you collaborating with other astronomers to do a paper on this star? If so, who?

Arto: Yes, there has been lots of interest by professional astronomers. I am collaborating with three astronomers: Pasi Hakala from Finland, Boris G�nsicke from England and Ivan Andronov from Ukraine. Each of them is preparing a paper of this star.

Mike: Can you explain how the light curve gives clues to the geometry of this system?

Arto: OK, I will try. It is obvious that this is an eclipsing system so there are two stars and that the orbit is aligned so that the stars eclipse each other. The eclipse is very deep and very fast so the eclipsed body is much brighter and very small in size. It was found very soon that the system is a polar variable, a cataclysmic variable with a very magnetic white dwarf. The strong magnetic field does not allow the accretion disk to form but directs the accretion stream to the magnetic poles of the white dwarf. The eclipse ingress and egress are extremely fast, too fast to resolve even with 5 second exposures so the light emitting region on the white dwarf is very tiny.


Mike: What do you think is happening to the accretion stream as the outburst evolves?

Arto: The stream is like a light switch to the system: when the stream is on the system is bright (high state) and when the stream is off the system is several magnitudes fainter (low state). The star seems to be around mag 18 in low state and mag 15 on high state. The light curve shows a curious dip just before the main eclipse. This is caused by the accretion stream that eclipses the white dwarf. The pre-eclipse dip varies a lot from eclipse to eclipse and is not visible at all when the system is in low state. The bright stream shows itself also on the main eclipses as the eclipse bottom is not flat but fades two more magnitudes after the sudden 2 mag drop during the 7 minute eclipse . I think the accretion is still increasing, the pre-eclipse dips are getting deeper and wider.

Mike: What new science do you think may come from exploring the characteristics of this outburst?

Arto: Probably the most interesting feature is the pre-eclipse dips that gives the (first ever?) opportunity to directly probe the accretion stream. But it needs more observations to model the system properly and making sure of the geometry. The new science is of the accretion stream for sure and probably some more knowledge of the polars as there are not too many eclipsing systems out there.

Mike: Are there any new ideas or conclusions you can share with us, or do we have to wait for the paper?

Arto: From my observations the orbital period is 117 min 10.9 sec and the main eclipse lasts 7 min 15 sec. The eclipse is 4 magnitudes deep. The ingress and egress are shorter than 5 seconds. The eclipse bottom is V (or semi V?) shaped when the star is in high state and flat bottomed in low state. The pre-dip varies a lot from eclipse to eclipse and is visible only when the system is in high state. More detailed analysis will be on the upcoming papers.

Mike: What other objects are you observing right now?

Arto: During this spring I concentrated this star, but managed to observe some other cataclysmic variables (AM CVn, QZ Vir, CP Dra, a blazar (0716+714), a few Gamma-ray bursts and confirmed a supernova.

Mike: Thanks again for taking the time to share with us.

Arto: You�re welcome; it was a pleasure.

Tom Boles- Supernova Supersleuth



In August 2009, British amateur astronomer, Tom Boles broke Professor Fritz Zwicky�s 36-year-old record for the number of supernovae discovered by an individual when he bagged his 124th supernova. The fact Tom has been so prolific, observing from the cloudy, rainy United Kingdom makes this record even more remarkable.

Tom has graciously agreed to give us a look inside the process, the tools and the reasons behind his stunning success.

Mike: What brought you to astronomy in the first place, and how did that evolve into a passion for discovering supernovae?

Tom: Hi Mike it�s good to talk to you.
Like so many amateur astronomers it happened at school. A boy in my class brought in a small telescope and let me look through it at Saturn and the Pleiades. (I lived in Scotland then and it is dark at 5 pm in winter) I was hooked immediately.

Searching for supernovae seemed a logical progression. I have always been interested in cosmology so there is a strong tie as supernovae are essential tools for studying the large scale Universe.

As you rightly say, the skies in the UK are less than ideal. It is difficult to find many good nights suitable for photometry but there is rarely a clear night when I don�t attempt to look for SNe. Even on very poor nights the brighter galaxies can be imaged. They are often not pretty pictures that I record but suitable for purpose, only the limiting magnitude drops.

Mike: Tell us about the observatory. Where is it located, how was it financed and built and what instruments do you currently employ in your search program.

Tom: The observatory is based on the periphery of a little quiet town called Coddenham in the heart of rural Suffolk in the UK. I moved here from central England because the light pollution there had deteriorated. Suffolk also offered me the chance to get a few extra clear nights each year. As a rule, the weather system in the UK improves slightly as you move farther east and south.

There are only two street lights in the village and they are in a dwell which keeps their glow hidden on all but the mistiest nights.

The observatory was privately financed by me. It was part of my �master plan� when I took early retirement to get more involved with astronomy and supernovae in particular. I use three C14 SCTs on Paramounts. Two of my Paramounts are the original design and were the early form of the new ME. The third is the slightly later black version the 1100 which was the immediate precursor to the ME. I use three Apogee AP7, thinned and back illuminated CCD cameras which help me to get use from every photon the C14s provide. I think this is near the ideal set up for supernova hunting other than moving to much larger telescopes.

I did have a scare a couple of years ago when the observatory was struck by lightning. I lost three PCs, my network and one of the Paramount�s electronics. I was down for several months. Thankfully I had excellent support from Software Bisque who patiently talked me through replacing several controller boards that they supplied. I was glad on the excellent support that I received.

I built the observatory myself, not that I wanted to but when I described what I wanted to professional shed builders they just laughed and shook their heads. On reflection, I am glad that I did. Many challenges arose during the construction. I could work them out in bed at night. Had I had a tradesman it would have overrun and cost me a fortune.

Mike: How much of the process is automated? Do the telescopes work unattended, controlled by software, or do you control them to some degree from a control room nearby?

Tom: The telescopes are controlled over a local area network. The control room is in my house only about 100 feet from the observatory. I produce scripts, which consist of lists of target galaxies for the cameras to image. They point, settle for a few seconds, image, name and store each image automatically. A typical script is 200 galaxies long and will run unattended for up to 4 hours. I rarely leave them unsupervised in case the weather changes. On good nights I use 30 second integrations and on poorer nights 60 seconds. This can mean I collect up to 135 images an hour between the 3 systems. The image collection is the easy bit. Checking the images is where the hard work is. In mid winter, darkness can last 13 or 14 hours; that�s a lot of images. I use one PC to control each telescope and another indoors to monitor the images coming down and to ensure all is well. An additional one with an extra large screen is used to check the images against my master/library images.

Mike: You currently monitor around 12,000 galaxies. How has your search program evolved over time? Do you monitor a specific type of galaxy to maximize your efforts?

Tom: I started off very modestly just checking a few galaxies. That meant nice open face on spirals that maximized the chances of seeing the supernovae free from obscuring dust in the galaxy. I then added edge on spirals and moved on to others like SO galaxies and even irregulars and ellipticals. I use a galaxy�s size and recession velocity to give me an indication whether the SN will be too faint to see or not. To get to 12,000 galaxies I had to drop some of my criteria and add many other morphological types. Eventually the recession velocity (galaxy distance) where it was known, was the only criterion. I patrol 12,000 frames, that is, master fields. In practice there is often more than one galaxy in the same field so the full image needs to be checked.

As I added more and more galaxies I started to look for ways of making the search more effective. I soon split my galaxies into 3 categories depending on their brightness and distance. I do the easier ones on the poorer nights and vice versa. I also run a patrol worksheet which schedules how often I try to observe any given galaxy. This is to make sure that every part of every script gets sufficient attention. I also changed the order that I patrol galaxies so that the telescope has the minimum of movement between images. This speeds things up and maximizes the number of images I can capture. More images of course mean more supernovae.

I also never leave anything to memory. In the small hours your brain is not at maximum efficiency. I use a check list that I mechanically go through to eliminate anything that might not be a real supernova.

Mike: How many images have you taken to discover 127 supernovae, as of November 2009? Do you examine each one by eye, or do you have some part of the �blinking� process automated as well?

Tom: I often get asked this question and fortunately it is easy to answer. I keep a very detailed log book of all my patrols. I also store every image that I have ever taken. These are used to eliminate unknown variables that appear in the fields. I check every image of a galaxy before I report a suspect. This sounds tedious but it isn�t. The log book and filing system make it easy.

I have recently celebrated breaking through the 500,000 count for images. It doesn�t take too much arithmetic to estimate the average discovery rate by patrol number and the number of hours spent patrolling.

I use two blinking methods. This is a recent development and has helped my productivity immensely. I use a small program called �GrepNova.� This is a free program developed for me by Dr Dominic Ford from Cambridge University.  A search on Google will show this up. The other program I use is Visual PinPoint. Each of these is best suited for different types of field, that is, whether the field has many reference stars or not.

Mike: Do you do follow up observations, and build light curves of your discoveries, or do you just keep the telescopes churning, looking for new ones?

Tom: The only time I do follow ups is when requested by a professional team who is also working on the supernova. I have no filters mounted on any of my systems so that I can get the maximum limiting magnitude on any given night. I usually achieve a limiting magnitude of around 20.5. I usually only admit to 19.5 to keep my reporting easier. That does mean that most of my discoveries are in the range 17.5 to 18.5. My skies are very challenging to do photometry on SNe this faint.

Mike: Can you explain the difference between the two types of supernovae, and why they are astrophysically interesting or important?

Tom: This used to be easier to answer than it is today. Once upon a time it used to be type Ia SNe and all the others. Type Ia are the sexy ones at the moment. Lots of progress has been made recently with these. They are not standard candles as once thought but they are �standardizable� candles. This means that they can be used to measure cosmological distances and so discover the size and age of the Universe. They were used to discover the acceleration of the Universe at the end of the last century. All the others are core collapse supernovae. These occur when massive stars reach the end of their lives. These include all the type II SNe and the Ib and Ic types. The latter are often associated with Gamma Ray Bursters (GRBs) and are particularly interesting. Core collapse SNe shed their inner elements into space. By measuring the elements present and their quantities, it is possible to model what is happening in stars� hidden interiors.

Mike: Have any of your discoveries been unusual or special, resulting in a research paper or further investigation with larger telescopes or satellites?

Tom: These change constantly. I was very proud of 2003L. This was the second most powerful supernova in history. That record didn�t last too long as new specimens keep getting discovered. Only last week a new paper was published describing one discovered behind the Magellanic Cloud that pushes it into somewhere like 5th or 6th place.

Strangely, I was also a co-author in a paper published in Nature on 2006jc. This was a SN that �appeared� twice, once in a pre-explosion years earlier and then finally in 2006. It was a very useful tool for astrophysicists. I didn�t even discover that one. All I did was use my 12 years of archived data to prove that it hadn�t flared at any other times. There�s a good lesson here about keeping conscientious notes and logs.

My latest is still current and is the optical transient UGC2773-OT that I discovered in August 2009. Five teams are currently working on this very sub-luminous candidate. It is probably not a SN at all but an unusual outburst by a Luminous Blue Variable (LBV) star. It is only visible because the galaxy is so close. The precursor has been imaged by the HST.

All the major telescopes in the world, and in space, have followed up one or more of my supernovae. The VLA in New Mexico follows up all the radio noisy ones like 2003L. Very often a barrage of telescopes gets involved with the interesting ones, including the HST and space telescopes such as Chandra. My biggest thrill was when the 200 inch Hale was used. This was the biggest telescope in the world for so long when I was a boy and I remember marveling at its pictures at school. It is a thrill to know that these telescopes are looking at something because of something that I did. Patrolling is a lot of hard work and seeing large telescopes following up on your work keeps the motivation alive.

Mike: Is it still as fun and exciting after 127 discoveries as it was when you first started some 13 years ago?

Tom: I think it is more fun. When I made my first discovery I was terrified. I didn�t know what to do or whom to tell and I was afraid that I could make a false report. I was stressed for several days until it was confirmed spectrographically. With more experience that fear goes away (not entirely, which is good, so the buzz is still there) as a result I can enjoy my discoveries more as they happen.

Mike: Do you ever do any other kind of observing, like enjoying the night sky with a pair of binoculars or a small telescope while the C-14s are busy patrolling the universe?

Tom: I have a whole range of telescopes and binoculars. It will be a sad day when I stop using eyepieces. I have a ten inch that I use for visual use. I also take it to local schools and groups for Outreach sessions. In a few weeks I am accompanying a group of tourists over the Atlas Mountain in North Africa as their �teaching� astronomer. They want to learn something about the skies and discuss cosmology over several bottles of wine by the camp fire in the evening. Astronomy is fun no matter how you do it. If it ever stops being fun I will stop doing it.

Mike: Do you have any advice for anyone considering supernova searching?

Tom: First of all expect some hard work before making your first discovery.  AND IMPORTANTLY, you DON�T need expensive telescopes to do it. The Messier galaxies are being neglected by most patrollers. They are just too big for our tiny CCD chips. It would take me all night to check M31 properly. Visually it can be done in seconds. So the advice is, check the messier galaxies and the Caldwell and the brighter NGC galaxies. Do it as part of your normal observing run. The key is not just to look but to check. Some discoveries have been photographed by other people first but they didn�t check their images. Looking is not the same as checking. A SN discovered in one of these bright galaxies is often more valuable scientifically than a dozen fainter ones.

Finally, speak to someone already doing it and get encouragement and advice. They will save you a lot of effort.  Most patrollers are happy to help. I am happy to help anyone wanting to give it a try.

Mike: Is there anything else on your supernovae wish list, like finding one in our own galaxy?

Tom: I need to be realistic. The first person to discover a SN in our galaxy won�t be me with my narrow fields of view. It will be someone walking along a lane and looking up, enjoying the sky, and spotting a constellation that no longer looks familiar. It will happen. Our next galactic supernova is well overdue. I bet when it comes it will be like busses, two or three will come together.

From a personal point of view I would like to discover another type Ic SN similar to 2003L probably associated with a GRB.  SN2003L didn�t fit any of the theories for how central engines power SNe. Alicia Soderberg at the VLA in New Mexico proposed that it might be a new type of SNe. It was a very powerful SN with a very weak central engine. I won�t hold my breath. Even if it is, less than 1% of SNe are bright enough to qualify, so it could take longer than the next SN in our galaxy to prove it.

Mike: Thank you, Tom. It�s been great learning all about you and your discovery process.

Tom: Thanks Mike. It�s been a pleasure and privilege to take part.



You can see Tom's observatory and the full list of his supernovae discoveries at his observatory website.

Albert Jones- The Interbiew

Although the quantity of variable star measurements is not as important as the quality, after studying the great observers past and  present, it became obvious to me that to reach 100,000 variable star observations in a lifetime would be quite an accomplishment. There are only a handful of observers who have had the patience, persistence and talent to achieve this in a lifetime.

One of these legendary observers stands head and shoulders above the rest, Albert Jones. Now 89 years old, this quiet, unassuming New Zealander has made over 500,000 variable star measurements over the last 60 years or so. He has received honors from the Royal Society of New Zealand, the American Association of Variable Star Observers, the Smithsonian Astrophysical Observatory, the Astronomical Society of the Pacific, the British Astronomical Association, the Royal Astronomical Society, and has received an Honorary Doctorate of Science from Victoria University in Wellington, New Zealand.

In 1964 he was made one of the first four Fellows of the Royal Astronomical Society of New Zealand, and in 1987 he was awarded an Order of the British Empire (OBE) for his services to astronomy. Minor planet 3152 was named after him in 1988 in recognition of his achievements. If you are involved in variable star astronomy, you know who Albert Jones is. This list of honors and awards does not even begin to tell the whole story. I asked Albert if he would grant an interview, and he kindly accepted. I found Albert Jones, the man, even more inspiring than the legend.

During the process, we sent several emails back and forth. In one of the early ones, I misspelled the word �Interview� in the subject line. Albert was far too kind to ever make note of it or correct it, so we sent several more emails back and forth with �Interbiew� in the subject line. For the rest of my life, I will always remember this as 'the Albert Jones Interbiew�.

Mike: Let�s start at the beginning. Tell us about your parents and family. Do you have any brothers or sisters?

Albert: I was born in 1920 in Christchurch, New Zealand. My mother was such a kind loving person, dedicated to husband and family. Father was a breakfast food miller and head of that department where he worked. There were two brothers and one sister.

When my parents went to school, before 1900, only primary education was free. Secondary education had to be paid for, and like most others, it was beyond their means. Around 1930, when I was at school, primary education was free, then one had to pass an exam to gain two years of secondary education, then another exam to go to the next stage. To go further and to be admitted to a university, one had to pass the Matriculation Exam. I did that at the end of 1936, during the depression years, a time during which there was widespread unemployment, and even people with university degrees had to take on menial work, like digging ditches, to earn a living.

So I found a job instead of furthering my formal education, but that did not stop me from teaching myself from books. Later on, people urged me to retrain in the hope of finding a better job, but by that time I was so hooked on variable star astronomy that I wondered whether I might not have much time for observing if I did better myself, so I was happy as long as I could carry on observing.

Mike: What was it like growing up in New Zealand in the first half of the 20th century? How have things changed since you were a child?

Albert:  I can still remember when the �wireless� was a novelty and telephones were a luxury, and of course, motor cars (automobiles) as well. Roads were made of shingle (stones) and few roads were sealed with bitumen, many vehicles were horse driven.   

When I started school, we were taught writing on slates using slate pencils and as we grew older we wrote on paper using pencils and pen and ink. Things we take for granted now, TV, computers and the internet were not even thought about.

Mike: How did you first get interested in astronomy?

Albert:  From an early age I wanted to know about the sky and stars and planets. I do not know how I became so fascinated by them. All I can remember is that my inquiring mind wanted to learn more. Parents and friends helped me with what they knew.

After I left school at the age of 16, I was well aware of my limited knowledge and never dreamed that one day I might be able to make a contribution to Astronomy, but for my own fun, and to satisfy my curiosity, I could at least learn the constellations and be able to recognize planets. So with the aid of books, I did that.

Then in answer to a request in the newspaper for reports of aurorae, I made detailed notes of the next aurora that I saw, sent it in and was thrilled with the reply stating it was the best report received. So two years later, I timidly asked if there was an astronomy club or society that might accept me as a member. Soon after, I became a member of the New Zealand Astronomical Society (later to become the Royal Astronomical Society New Zealand; RASNZ). Then I started receiving their journal �Southern Stars�.

Mike: I think every astronomer remembers their first telescope. Tell us about your first telescope.

Albert: My first telescope was the crudest thing imaginable. An inexpensive lens kit consisting of what may have been a simple spectacle lens of about 20 inches focus and a small negative lens for the eyepiece. I made a tube for the telescope by wrapping paper around a rod as a pattern, and gluing the layers of paper. Although the images were very poor, it at least allowed me to see things. I can still remember the thrill of seeing the Orion Nebula I had read about in books.

Later a bigger lens kit showed me the rings of Saturn. The tube was a cardboard one that had once been the centre of a roll of carpet. A simple tripod made the telescope usable for viewing objects like star clusters and planets, even the rings of Saturn.

Then I heard that a local man had an old telescope he was not using, so I bought my first real telescope, a 5-inch f/15 reflector, evidently made for viewing planets and the Moon. The finder was so tiny that it was difficult to find faint star fields away from bright stars.

Mike: At some point you decided to start observing variable stars. Tell us about the first variable star you began observing.

Albert: As I mentioned above, the journal �Southern Stars� became available and helped me immensely, especially after the discovery of Nova Puppis 1942, because one of the co-discoverers, a New Zealander named Alex Crust, wrote an article for  �Southern Stars� about the nova. It included a chart with comparison stars plus instructions on how to make estimates of it as it faded.  I did not need any encouragement to look at it each clear night, and after I had made 50 estimates I posted the estimates to Mr. Crust, who wrote another article for the journal and listed all estimates to date. Imagine how thrilled I was to find that not only were my estimates worthy of inclusion, but they compared well with others. Those first observations starting in January 1943 proved that making observations of variable stars was within my capability,

Mike: Frank Bateson, the founder and long-time director of the Royal Astronomical Society of New Zealand's Variable Star Section played a key role in your interest and development as a variable star observer. Tell us about Frank and your relationship with him over the years.

Albert:  Yes Mike, the following year Frank Bateson returned from the Navy to civilian life, and in reply to my request to join the Variable Star Section, he sent me charts of 25 variable stars.  At first I thought that I had bitten off more than I could chew, but as I gained experience in locating star fields, I soon had the 25 stars on target and asked for more stars. The next batch of 43 stars again made me think I had over-done it, but before long I could locate all those stars.

One handicap was the tiny finder. Even now I can remember my frustration one night looking for S Apodis by star-hopping from Gamma Aps, over 3 degrees away! All the intervening stars were too faint to see through the finder. It took me an hour to locate the field. I was determined to find it and did not want to admit defeat.

Mike: You also began sweeping for comets early on, and discovered your first comet in 1946. Tell us about your discovery of Comet Jones 1946h.

Albert: I did some comet sweeping with the old reflector and successfully recovered  Comet P/Kopff, before anyone else, they say. I located it from  the ephemeris in the BAA Handbook.

Then I heard of a 5-inch refractor that was for sale, and that one was far better to use. The finder objective was larger and enabled me to star-hop to fainter fields with confidence. I also used it for comet sweeping.

One morning in August 1946, I had unsuccessfully swept the south-east and found only permanent celestial scenery. I noticed dawn was imminent, so decided to see if I could see U Puppis, as by then the field should be low in the eastern sky. The finder was too high at that position to look through it from standing on the ground, so I hurriedly aimed the main telescope at the region of Puppis using a low power. I swept down to locate the variable, but on the way I noticed a fuzzy object.

I made a quick field sketch, but dawn stopped viewing before I could notice any motion.  I did not get to see the variable that morning. Rather than make a false �discovery�, I waited until next morning. The sky was clouded over, but luckily the clouds moved away in time for me to find the position where the object was the morning before. It had moved away.

I kept sweeping until I located the comet. I notified Ivan Thomsen at Carter Observatory who spread the word. That was Comet 1946h. Soon afterward, I realized that variable star observing was not only more fun but also produced real results right away. So I concentrated on variable stars instead.

The 5-inch refractor was later replaced by an 8-inch reflector made up from bought optics. Aperture fever later led me to purchase a 12.5-inch f/5 mirror, which I made up into the telescope I still use now.

Mike: Your second comet discovery came in 2001, when you were 80 years old. That is quite a long time between discoveries! Not only is that 54 year gap a record, but you are the oldest person to have discovered a comet. What is the story behind your second comet discovery?

Albert: In 2000, I learned that Dr. Brian Marsden was stepping down from head of the CBAT (Central Bureau for Astronomical Telegrams) so I wrote to congratulate him on his retirement. In reply, he told me that he was not retiring and was staying on to support Dan Green who had taken on the position. He mentioned that it was a long time since I found a comet and it was time I found another. But that is easier said than done.

A few months later, I was star-hopping to T Aps when I noticed a strange fuzzy object and made a note of the position. I phoned Alan Gilmore at Mount John Observatory and told him I had seen a comet that morning. I felt sure it must be a known comet that I had not heard about and I asked Alan its name. Alan replied that he had not heard of such a comet, so he reported it to the CBAT. Brian Marsden wondered whether it might be the same comet that Syogo Utsunomiya had seen only once a week before which had become lost. That turned out to be the case. So it now has both our names. Brian Marsden emailed, �I told you what to do!!�

Mike: The home-built 12.5� telescope you have used since 1948 is named Lesbet. That�s kind of an odd name. Who is it named for?

Albert:  That is another story. Back in 1947, I  wanted an even larger telescope and airmailed to Dr. Les Comrie, a former New Zealander who had revolutionized the British Nautical  Almanac Office by replacing math tables with mechanical accounting machines, which he found could be adapted to do mathematical astronomical calculations.

Dr. Comrie was very kind to up-and-coming amateurs. I wrote to him and asked where in the UK could I buy a larger f/5 mirror and he replied that his friend James Hargreaves had a mirror blank that he could grind and figure to f/5, then pack it in a box in time for Dr. Comrie to bring to NZ by ship as he had plans to come to NZ to visit his father in late 1947. That suited me fine as it saved me the bother of getting an import license and permission to send money to England, as well as arranging the freight.

When Dr. Comrie came to NZ he forwarded the mirror to me, I paid for it by sending the money to Dr. Comrie's account in a large business in Auckland. With the money, Dr. Comrie paid for food parcels to be sent to his friends in England who had not seen luxury food during the war, so everyone benefited besides me. I named the telescope Lesbet after Les and his lovely wife Betty. Les always said she had a perfect figure too!

Mike: There was quite a bit of excitement in 1987 when supernova 1987A went off in the Large Magellanic Cloud. You are credited with co-discovering the brightest supernova seen since the 17th century. How did that come about?

Albert: I was monitoring some stars not far from the Tarantula Nebula. On that fateful night, while I was observing stars elsewhere in the sky, I noticed some clouds coming over so I poked the telescope at my targets in the LMC. I was quite surprised to see a bright stranger, so I noted its position on the chart. But before I could make a magnitude estimate the clouds moved over. I phoned Bateson who started phoning others for confirmation. Then the clouds moved away and I made an estimate of the stranger before phoning Bateson again to tell him. He then phoned the Observatory at Siding Spring, in Australia, to tell them about the star. I have been told that everyone at the Observatory stopped what they were doing and turned their attention to the supernova. Rob McNaught then checked the photos he had taken and found the star was recorded on them.  

Rob then phoned Dr. Marsden to say he had a photo of it, but as Brian was already on the phone to Chile, Rob told the secretary. Dr. Marsden then phoned back to Rob to congratulate him on the discovery, but Rob said he was not the discoverer. It was discovered by someone in NZ, but did not know who it was. Dr. Marsden correctly guessed who it might be.

Mike: Perhaps your greatest discovery is your wife, Carolyn. How did you two meet, and how has she supported your passion for the stars?

Albert: My first marriage was such a disaster that I thought of ending my life. Fortunately, I did not and we parted. I vowed never to marry again, but changed my mind after Carolyn joined the same hiking club. I could not help secretly admiring her. Then when two years later, I found out that she thought the same about me, I changed my mind for the better. Carolyn was such a kind, lovable person and so different that I instinctively could tell she would be the ideal person to live with forever. July 2009 was our 25th wedding anniversary- the happiest years of my life.

Mike: How active are you these days? Do you still submit observations?

Light Curves of RU Lupi-
Top curve is AAVSO data without Albert Jones archival observations. 
Bottom curve is the same time period with Albert Jones observations included in the AAVSO International Database.
From the AAVSO 2007 Annual Report

Albert: I continue to observe variable stars each clear night, and besides sending my observations to AAVSO, I send data on selected stars to over 30 professionals worldwide.

I like to start observing as soon as it gets dark, and as I have had lots of birthdays, after observing for 3 hours I become so tired that I have to stop. Then I go to bed and get up again an hour or two before dawn and observe stars that have come up in the east.

The thrill of seeing with my own eye how variable stars change has not palled a bit, and to know that what I report is of value to Science is an added bonus. Especially, on a cold winter morning, when I may feel reluctant to leave a warm bed. Once I have put on a few extra layers of clothes and dragged the telescope out of the shed I feel it is so worthwhile.

 Mike: Even if we knew everything there was to know about variable stars, and therefore no real reason to keep going out night after night to observe them, would you keep observing anyway?

Albert: As long as my well-being and eyesight allow me to get to the telescope, there would be a number of stars that I would like to keep monitoring to satisfy my curiosity and for fun.

Mike: After discovering two comets, a naked eye supernova and making over half a million variable star observations, what is it that still drives you? What else would you like to accomplish or discover?

Albert: Just looking and looking, in case I might discover something, might become boring. So I carry on monitoring stars for Science. And if something new is noticed serendipitously, that would be a bonus. There are lots of my old estimates that were made before reliable comparison star magnitudes became available from sources like the All Sky Automated Survey, so I hope to revise as many as I can while I am still able.

Mike: What is the greatest difference between observing and reporting observations now and in the past?

Albert: Over 60 years ago there were charts for lots of variable stars, some not as good as those available now, so it is good to obtain better charts and finding charts for them. Long ago, one had to draw finder charts from what one saw through the finder. Now finder charts can be made using PC software and printed by modern computer printers.

PCs and software are great for entering the observations from my logbooks, and it is now so easy to sort the individual stars, and select which stars go to whom by email. No longer does it take lots of writing by hand. I could go on and on, but let me just say how lucky observers are today with all this modern technology to take a lot of the drudgery off their hands.

Mike: Thank you for taking the time to let us get to know you.

Albert: Well Mike, I do hope that I have not bored you with all this.

Thinking back over the years, Carolyn and I have enduring memories of the wonderful people who have come into our lives through Astronomy.

I sincerely hope that anyone reading this will realize that serious work can be undertaken with only basic gear. If one has access to a modern telescope with all the bells and whistles, please have a go at variable star observing. But do not despair if you do not have such equipment, as so much needs to be done and can be accomplished with very modest gear. I know- been there, done that. The main thing is to have fun.

Help! I Want To Study The Stars

Getting started in the hobby of astronomy can seem overwhelming. I mean, it is the study of the Universe! That's a pretty staggering concept. There is so much to learn; constellations, the motions of the stars, Sun, Moon, planets, just getting the names and pronunciations right can be tough without some good help, or a mentor.

Most observers start out in just about that order, it's a natural progression. Once they've learned their way around the sky and can name many of the bright stars and constellations they gravitate towards the Moon and planets. For many of us, that first magical look through a telescope at Saturn and her majestic ring system is all it takes to get us hooked for life.



Soon after purchasing their first telescope, most amateur astronomers begin seeking out deep sky objects, like the Messier objects. Locating them and learning how to discern the subtle detail available in the eyepiece is a fun and rewarding experience.

Most people find that adding to their understanding of the objects they observe adds to the enjoyment. Knowing that the planetary nebula you are looking is the gaseous remains of an old stars atmosphere, glowing in space due to the energy released by the white dwarf in its center makes them even more exciting to observe. Soon, reading astronomy books and magazines, even astronomy blogs!, becomes a regular activity.

The variable star AE Aurigae is embedded in the Flaming Star Nebula, aka IC 405.
Photo credit: Jorge Garcia, Astronomy Picture of the Day

For me, it was the things that changed from day to day, or even in the course of a few hours, that were always the most interesting things to observe. Watching sun spots rotate around the solar disk, tracking the changing orientation of the Galilean satellites from night to night, watching a prominent feature on Mars rotate out of sight and watching the Moon pass in front of a bright star or planet has always been the biggest thrill for me. Proof that the Universe was alive with motion and packed with action I could see with my own eyes or in a telescope.

Many amateurs can continue on chasing after ever fainter, more elusive 'faint fuzzies', or spend the rest of their life perfecting the technique of obtaining the perfect image of a galaxy or star cluster, but for some, they reach a fork in the road, where they decide they want to actually contribute to science in some meaningful way. For many of these amateur scientists, variable star observing (VSO) provides the answer.


Getting started in VSO presents many of the same challenges as starting out in general astronomy. You need to be able to find your way around the sky, learn the terminology, and learn how to get the most out of your equipment and what the limitations are. And just like other astronomical pursuits, its a lot more fun if you understand what it is you're looking at and why it is interesting to professional astroomers.

Fortunately, the AAVSO has a program for beginning observers, the AAVSO Mentor Program. The AAVSO has a long tradition of experienced observers helping new observers learn the ropes of VSO. Many of us can trace our knowledge back several generations to some of the most prolific and famous amateur observers of all time. Even William Tyler Olcott, the founder of the AAVSO, started out by learning VSO from another observer.


The mentor program has volunteer instructors in the US, Canada, Europe, South America and Australia. There are mentors for visual observers just stating out and knowledgeable amateurs who can teach you to use a CCD or photoelectric photometer.


"...it is a fact that only by the observation of variable stars can the amateur turn his modest equipment to practical use, and further to any extent the pursuit of knowledge in its application to the noblest of sciences."

William Tyler Olcott, March 1911

If you'd like to turn your modest equipment to practical use observing variable stars, and want to get off to a good start, contact the AAVSO, or email me at mikesimonsen at aavso dot org to request a mentor to help get you started.

Most observers start out doing VSO because they want to contribute to science. The observers who stay with it for years and years do it because its a lot of fun. So come on and join in the fun, but be forewarned, you may get hooked...

"I feel it my duty to warn any others who may show signs of star susceptibility that they approach the observing of variable stars with the utmost caution. It is easy to become an addict and, as usual, the longer the indulgence is continued the more difficult it becomes to make a clean break and go back to a normal life."
Leslie C. Peltier, Starlight Nights, 1965

U Sco: Long Anticipated Eruption Has Begun

Today, two amateur astronomers from Florida detected a rare outburst of the recurrent nova U Scorpii, which set in motion satellite observations by the Hubble Space Telescope, Swift and Spitzer. The last outburst of U Scorpii occurred in February of 1999. Observers around the planet will now be observing this remarkable system intensely for the next few months trying to unlock the mysteries of white dwarfs, interacting binaries, accretion and the progenitors of Type IA supernovae.

Artists rendition of recurrent nova RS Oph 
Image credit: David Hardy and PPARC

One of the remarkable things about this outburst is it was predicted in advance by Dr. Bradley Schaefer, Louisiana State University, so observers of the American Association of Variable Star Observers (AAVSO) have been closely monitoring the star since last February, waiting to detect the first signs of an eruption. This morning, AAVSO observers, Barbara Harris and Shawn Dvorak sent in notification of the outburst, sending astronomers scrambling to get �target of opportunity observations� from satellites and continuous coverage from ground-based observatories. Time is a critical element, since U Sco is known to reach maximum light and start to fade again in one day.

There are only ten known recurrent novae (RNe). This, coupled with the fact that eruptions may occur only once every 10-100 years, makes observations of this rare phenomenon extremely interesting to astronomers. Recurrent novae are close binary stars where matter is accreting from the secondary star onto the surface of a white dwarf primary. Eventually this material accumulates enough to ignite a thermonuclear explosion that makes the nova eruption. �Classical novae� are systems where only one such eruption has occurred in recorded history. They may indeed have recurrent eruptions, but these may occur thousands or millions of years apart. RNe have recurrence times of 10-100 years.

The difference is thought to be the mass of the white dwarf. The white dwarf must be close to the Chandrasekhar limit, 1.4 times the mass of the Sun. This higher mass makes for a higher surface gravity, which allows a relatively small amount of matter to reach the ignition point for a thermonuclear runaway. White dwarfs in RNe are thought to be roughly 1.2 times solar, or greater. The rate at which mass is accreted onto the white dwarf must be relatively high also. This is the only way to get enough material accumulated onto the white dwarf in such a short time, as compared to classical novae.

Recurrent novae are of particular interest to scientists because they may represent a stage in the evolution of close binary systems on their way to becoming Type IA supernovae. As mass builds up on the white dwarf they may eventually reach the tipping point, the Chandrasekhar limit. Once a white dwarf exceeds this mass it will collapse into a Type IA supernova.

A problem with this theory is the mass that is blown off the white dwarf in the eruption. If more mass is ejected during an eruption than has accreted during the previous interval between eruptions, the white dwarf will not be gaining mass and will not collapse into a Type IA supernovae. Therefore, scientists are eager to obtain all the data they can on these eruptions to determine what is happening with the white dwarf, the mass that is ejected and the rate of accretion.


 Observations from amateur astronomers are requested by the AAVSO. Data from backyard telescopes will be combined with data from mountaintop observatories and space telescopes to help unravel the secrets of these rare systems. AAVSO finder charts with comparison star sequences are available at: http://www.aavso.org/observing/charts/vsp/index.html?pickname=U%20Sco

Amateur Astronomers Alert the World to a Rare Stellar Eruption

Barbara had gone to bed late and really didn�t feel like getting up this morning, but her dog had other ideas. So she reluctantly got out of bed to let the dog out, and like every other clear morning this month, she fired up the telescope and CCD and pointed toward U Scorpii.

When the first image appeared on her computer there was a huge over exposed star right in the middle of the field. Barbara couldn�t believe her eyes. In fact, she didn�t believe her eyes. Just yesterday she had measured U Sco at 18.2V. She quickly took another much shorter exposure, double-checked the position, �and that�s when I started to get excited�, she said.

Dr. Barbara Harris, an amateur astronomer, had been monitoring the recurrent nova, U Sco, for months, in anticipation of a rare eruption that had been predicted by Dr. Bradley Schaefer, an astronomer at Louisiana State University. Barbara and many other observers, participating in a campaign coordinated by the American Association of Variable Star Observers (AAVSO) had begun monitoring U Sco in February 2009. Now on a clear, clam morning in Florida, the moment had arrived!

�Back in December, I had gotten an email from Brad Schaefer, because I had obtained the first image of U Sco as it came out from behind the Sun�, explained Barbara. The image had helped astronomers determine that U Sco had not gone into outburst while it was in conjunction with the Sun. �They were sure that it hadn�t gone into outburst, so he emailed me and thanked me, and said, keep submitting your data to AAVSO, but here�s my home phone number. Call me right away if you get something!�

Barb submitted her observation to AAVSO, looked up Brad�s telephone number, and then thought to herself, �Let me take one more image just to be sure. I don�t want to call him this early and wake him up if I�m not sure.� At this point, it was about 5:30 AM EST. So she took another image, calibrated and measured, removed all doubt from her mind, and called Brad Schaefer.

Just on the other side of Orlando, Shawn Dvorak was just waking up to go to the gym. His telescope had been running all night taking data on several variable stars he was monitoring for AAVSO. Shawn had also begun monitoring U Sco again in January, as it peeked out from behind the Sun. It was usually his last observation in the morning, rising high enough to observe just before dawn.

�I almost didn't observe it this morning since I was planning to go to the gym. I'm glad I did!� Shawn wasn�t quite awake yet, and when the first CCD image came up, he thought to himself, �whoa, I'm pointing at the wrong field, there's no star that bright here�. Shawn said, �Barbara Harris spotted the outburst about an hour earlier but I hadn't heard about it yet, so it was quite a surprise to me when I saw this �new� star�. Thinking the telescope had somehow missed the target; he re-imaged the field to convince himself. He then took a series of shorter exposures, so the erupting 8th magnitude star wouldn�t be saturated on the CCD, and kept taking them for the next fifteen minutes as dawn quickly approached.

About this time, the phone rang in Baton Rouge, Louisiana, and half-awake, Brad Schaefer lifted the phone to his ear. It was Barbara Harris, telling him U Scorpii was in outburst. � He let out a scream and said thank you, thank you! I�ll start notifying everyone right away�, Barb recalled.

U Sco outburst discovery image: Barbara Harris

Dr. Schaefer has been studying recurrent novae for years, collecting a large database of observations of all the known recurrent novae. His bold prediction that U Sco was going to erupt in 2009.3 plus or minus one year, was the basis for the intensive monitoring campaign by the AAVSO, and was widely publicized as well as published in his recent paper, �Comprehensive Photometric Histories of All Known Recurrent Novae�. As U Sco approached conjunction with the Sun in the fall of 2009 and still hadn�t gone into outburst, astronomers everywhere started to get anxious.

When it erupts, U Sco goes from minimum to maximum, then to one magnitude below peak, in under one day. This makes responding to the first sign of an outburst, and pointing large earth and space-based telescopes in time to cover the early parts of an eruption, a daunting task. At 6AM EST, Dr. Schaefer was on the phone and emailing people to notify observatories and space telescopes the moment had finally come.

At 6:15 AM EST, Dr. Matthew Templeton, observing campaign coordinator for the AAVSO, was just stepping out of the shower when he noticed a voice mail on his phone. Before his hair was dry, a confirmation of the outburst from Shawn Dvorak had been submitted to AAVSO. Matt swung into action, and by 6:45 the first �AAVSO Special Notice� had been sent, alerting observers around the world to begin observing the long anticipated eruption of U Sco.

At 1:30 PM, six hours after Barbara Harris had first detected the outburst, the Rossi X-Ray Timing Explorer (RXTE) and the INTREGAL (INTErnational Gamma-Ray Astrophysics Laboratory) satellites were observing U Sco in x-rays and gamma rays. Observations from Hawaii and New Zealand were reported and the international campaign to observe U Sco in outburst had begun in earnest. Over the next several months, astronomers will be monitoring the progress of this outburst at nearly all wavelengths of light from radio waves to X-rays using ground-based telescopes and space-borne observatories.

Dr. Arne Henden, Director of the AAVSO, commented, "This again shows the real advantage of the worldwide distribution of amateur astronomers for detecting transient events like this.  Harris and Dvorak could watch U Sco rise over the Atlantic, hours before professional astronomers in the Western U.S. would have a chance.  Then, because of the winter weather for most U.S. professional observatories, amateurs continued monitoring U Sco from New Zealand and Australia, catching the important first hours of the outburst."

Just think; astronomers may have missed the beginning of the eruption entirely if Shawn had decided to go to the gym, or Barb�s dog hadn�t barked and gotten her out of bed. �My dog has been getting cookies and anything he wants all day�, said Barb.

The progress of the U Scorpii outburst can be followed via the AAVSO, who are maintaining a web page devoted to the event, and anyone can view observational data as they are submitted in real time through the AAVSO website.

For more information on U Scorpii and the AAVSO campaign, please visit
http://www.aavso.org/news/usco.shtml, or contact Dr. Matthew Templeton
at matthewt@aavso.org or via telephone at +1 (617) 354-0484.

Unprecedented Eruption Catches Astronomers By Surprise

An alert was raised March 11 when Japanese amateur astronomers announced what might have been the discovery of a new 8th magnitude nova in the constellation of Cygnus. It was soon realized that this eruption was not what it appeared to be. It was actually the unexpected nova-like eruption of a known variable star, V407 Cygni. Typically varying between 12th and 14th magnitude, V407 Cyg is a rather mundane variable star. So what caused this well-behaved star to suddenly go ballistic?


Artist rendering of a symbiotic recurrent nova. Image credit: David A. Hardy & PPARC

V407 Cyg is a symbiotic variable. These are close, interacting binary pairs usually containing a red giant and a hotter, smaller white dwarf. They orbit a common center of gravity inside a shared nebulosity. A typical symbiotic variable consists of an M type giant transferring matter to a hot white dwarf via its stellar wind. This wind is ionized by the white dwarf, giving rise to the symbiotic nebula.

Symbiotic variables are complex systems with many sources of variability. They can vary periodically due to the binary motion, the red giant can vary due to pulsation, the stars may be obscured by circumstellar dust, or the light emitted my change due to the formation of giant star spots.

The white dwarf component may glow more or less constantly as it accretes material from the red giant and heats it up at a steady rate, or the material may form an accretion disk around the white dwarf, like in dwarf novae. Mass accreted onto the white dwarf can result in flickering and quasi-periodic oscillations. If there is a sudden increase in the rate of accretion, or the material in the accretion disk reaches a point of instability and crashes down onto the surface of the white dwarf the symbiotic system may undergo a nova-like eruption.

About 20% of symbiotics consist of a Mira-type variable as the giant of the pair. These binaries reside in much dustier envelopes. V407 Cyg is one of these dusty, Mira-type symbiotics. Its typical variation of a few magnitudes is due mainly to the pulsation of the Mira component of the system. Astronomers had never before witnessed a nova-like outburst of this interacting binary. You can imagine their surprise when Japanese amateurs, searching for novae along the galactic plane, suddenly detected this mild mannered, dusty Mira, symbiotic variable glowing nearly 100 times brighter than ever before.

That was just the beginning of the story. The first new spectra taken of the system, on March 13th, was different from any ever recorded for this star or any other symbiotic Mira variable in outburst. The normal absorption spectra of the Mira star was completely overwhelmed by the blue continuum of the outbursting white dwarf. The characteristics of the emission spectra revealed two distinct types of activity. One was the relatively slow ionized wind of the Mira star. The other looked like the fast expanding ejecta of a nova outburst. In fact, the spectrum looked remarkably similar to the symbiotic recurrent novae, RS Ophiuchi.

Typical outbursts of known symbiotic binaries, and symbiotic Miras in particular, usually exhibit a very slow rise to maximum, taking months, and no real significant mass ejection. This appears to be a much more quickly evolving and violent event, more like the eruptions of the recurrent novae RS Oph and T CrB. V407 Cyg may join this rare class of symbiotic recurrent novae.

As if that weren�t enough, another twist was added to the story on March 19th, when the Large Area Telescope (LAT), on board the Fermi Gamma-ray Space Telescope may have detected the star in gamma-rays, something never observed in a symbiotic system before. The gamma-rays could be caused by shock driven acceleration of the ejected material, and its capture by strong magnetic fields within the system.

Unlike many novae and recurrent novae outbursts, this eruption may last for weeks or months and the variation in light output could be quite complex and interesting. Because the giant secondary is losing mass, the system is likely to have a large amount of circumstellar material. The ejected shell from the nova explosion on the white dwarf will interact with this material as the shell propagates outward, and will likely produce a wide variety of variable phenomena.

V407 Cyg has our attention now, and professional and amateur astronomers will be keeping a close eye on it from now on.

Caroline Moore- Astronomer, Singer and An Amazing Kid

Getting to know young people like Caroline Moore gives me hope for the future. Caroline, as you may know, is the youngest person to discover a supernova. I first met Caroline when I interviewed her for a Slacker Astronomy episode last November in Boston. She had been invited by the AAVSO to come and accept an award for her achievement.

Today the Nova Science Now website features Caroline in their online series The Secret Life of Scientists. They did a great job of editing and presenting these pieces, but what really comes through in these bits is Caroline's personality. She has lots of that. I love the 30 seconds video. I'll be saying, "whatever", and laughing for weeks.

Congratulations, it's a Supernova!

Last night after dinner, I laid down to take a nap (I start observing
around midnight or so in summer). I heard a message come in on my
phone, so I checked to see if it was anything important. As it turns
out, it was an urgent plea for help from Bob Moore (Caroline Moore's
dad, the teenage girl who discovered a SN at age 14). He is trying to
confirm a suspected SN discovery but can't find any useful comparison
stars near the obscure galaxy he is examining, can I please help?

Mind you, I only get a few hours sleep a day when its clear, so I was
thinking, "shit, why did I have to check that message."

Well, Bob is a friend and I know how excited I would be if I thought I
had a SN discovery, so I called him, got the information and went back
down to the office to see if I could help him. After maybe 45 minutes
or so I had put together some reasonable photometry for him to measure
his SN with, emailed him the chart and wished him luck. I fell asleep
quickly after that.

Around lunch time today, I called Bob to see if there was any news
yet; had it been confirmed? "Nothing yet", he said, but Mike Peoples
and collaborators were pretty sure they had confirmation images from
California.

About an hour ago the Telegram from the IAU announcing the discovery
of SN 2010ew popped up in my mailbox. I forwarded a copy to Bob with
the title "Congratulations, It's A Boy".

I'm happy for you Bob et al, but don't call me after 6PM tonight. I'm
really tired now, and it's going to be unmercifully clear here for
days on end. I need some sleep.

*******************************************************

Electronic Telegram No. 2345
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
CBAT Director:  Daniel W. E. Green; Room 209; Dept. of Earth and Planetary
 Sciences; Harvard University; 20 Oxford St.; Cambridge, MA  02138; U.S.A.
e-mail:  cbat@iau.org; cbatiau@eps.harvard.edu
URL http://www.cfa.harvard.edu/iau/cbat.html


SUPERNOVA 2010ew
   M. Peoples, J. Newton, and T. Puckett report the discovery of an apparent
supernova (mag 16.6) on unfiltered CCD images (limiting mag 18.5) taken with
a 0.40-m reflector at Portal, AZ, U.S.A., on June 28.39 UT in the course of
the Puckett Observatory Supernova Search.  The new object, which was confirmed
at mag 16.6 on images (limiting mag 19.8) taken by P. Mortfield and S.
Cancelli on June 29.48 with a 0.40-m reflector at Sierra Remote Observatories
in California, is located at R.A. = 18h37m11s.88, Decl. = +30o37'49".6
(equinox 2000.0), which is 4".6 west and 7".1 north of the center of the
presumed host galaxy.  Nothing is visible at this position on images taken by
Puckett on June 13 (limiting mag 19.1); however, T. Orff reports a precovery
image (limiting magnitude of 18.5) taken by Puckett on June 20, which shows
2010ew at mag 17.1.


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
    superseded by text appearing later in the printed IAU Circulars.

                       (C) Copyright 2010 CBAT
2010 July 1                      (CBET 2345)              Daniel W. E. Green

Gerry Samolyk- 2009 Leslie C. Peltier Award Recipient

Gerry Samolyk is my observing grandfather, friend and travel gnome. He is also this year's recipient of the Astronomical League's Leslie Peltier Award.

Yea, that's a lot to explain. Let's see if I can make sense of all that.

First, the Leslie Peltier Award is one of the most coveted awards bestowed upon amateur astronomers. If you get named as a recipient you join what is essentially the 'hall of fame' of amateur astronomy. The Astronomical League website describes the award best:

The heart of amateur astronomy is observing. We can read all we want about astronomical phenomena, but the real joy in astronomy is going out under the night sky and observing the objects about which we have read. But while most of us are casual observers of the sky, looking at the same few objects over and over, a few amateur astronomers develop their observing skills to the ultimate degree. They then use these skills to make careful observations of the sky and record them for scientific analysis.
Whether the observation is done with a photometer, CCD, spectroscope, or just the human eye, the ability to find an object and record scientifically useful detail is not a common trait. To recognize the amateur astronomer who is not only able to do this, but has contributed his observations to an ongoing observing program, the Astronomical League presents the Leslie C. Peltier Award. The Peltier Award was created in 1980 and the first was awarded in 1981.
The award is named after Leslie C. Peltier, the Delphos, Ohio, amateur astronomer who Harlow Shapley, one of the League's founders, referred to as "the world's greatest nonprofessional astronomer". Born January 2, 1900, he discovered twelve new comets and four novae. But his real contribution was the over 132,000 variable star observations he made in his sixty-two year observing career. He also wrote many articles on astronomy and penned four books. To ease his observing, he built an enclosed "merry-go-round" observatory. He died in 1980.
It is in his memory, and to celebrate his life-long love of the heavens, that the Astronomical League presents the Leslie C. Peltier Award.
Some of the past recipients are: Walter Scott Houston, Rev. Robert Evans, David Levy, Don Parker, Janet Mattei, Dennis di Cicco, Roger Sinnot and Richard Berry. Gerry is now counted in among the heavy hitters in amateur astronomy, and it is a well-deserved honor.

As a member of the Milwaukee Astronomical Society many years ago, Gerry mentored a young observer, named Gene Hanson, in the fine art of visual variable star observing. Gene took his new found enthusiasm, moved to Arizona and became one of the world's leading variable star observers. When I joined the AAVSO, I was put in touch with a mentor through the AAVSO Mentor Program. He saved me untold time and mistakes by imparting his wisdom via many, many long emails. My mentor? Gene Hanson, the 2002 recipient of the Leslie Peltier Award. So I can track my observing heritage back to Gerry through Gene, making him my observing grandfather.

In fact my observing heritage can actually be traced back to the very first recipient of the Leslie Peltier Award, Ed Halbach, Gerry's mentor and inspiration.

Gerry's story and history are best told in the citation given by Roger Kolman, the AL Leslie C. Peltier Award Committee Chairman.

The recipient of the 2009 Leslie C. Peltier Award of the Astronomical League is Gerhard (Gerry) Samolyk of the Milwaukee Astronomical Society. The MAS has a long history in the Astronomical League. Ed Halbach was one of the founders of the League in 1947. Through the years, the MAS has been a great supporter of League activities.

When informed of his selection, Gerry said: �This is quite a surprise. I'm aware that Ed Halbach was the first recipient of this award and that Bill Albrect and Walter Scott Houston (all from the MAS) had also received it. Unfortunately, I will not be able to attend the convention in NY.� Gerry will be in China chasing the Sun during the total solar eclipse.
Gerry first became interested in astronomy as a result of the early space program. He still has a copy of the summer 1958 issue of Space Journal that covered the launch of Explorer I. He first met Ed Halbach while in high school. Like so many others, he was infected by Ed's enthusiasm and energy. Ed got him involved in observing lunar occultations and grazes. In the early 1970's, Gerry started observing eclipsing stars and a few years latter, RR Lyr stars. He has followed in Ed's footsteps and has served as the observatory director for the Milwaukee Astronomical Society (MAS) since 1980. In the AAVSO, Gerry teamed up with Marvin Baldwin on the EB and RR Lyr committees. They developed a computerized system for the reduction and publication of EB times of minimum. As a result, over 15,000 times of minimum were published.

For many years Gerry did visual observing by setting up as many scopes as they had at the observatory, setting each scope on a different target and following 12 or more stars simultaneously. Over 10 years ago, he got involved with CCD photometry. Between club and personal equipment, he can run up to seven CCD rigs and continue to make time series observations on multiple targets. To date he has probably made over 250,000 observations of EB and RR Lyr stars. The Internet now allows him to set up multi-site observing campaigns coordinating with observers in Europe, Australia, and Japan. This results in very long observing runs.


Notably, on April 4th Gerry was in the twin cities for the celebration of Ed Halbach's 100th birthday.


Obviously, Gerry Samolyk is a worthy recipient of the Leslie C. Peltier Award of the Astronomical League.


We are very grateful for the support of Scott Roberts and Explore Scientific for the sponsorship of this award.


Roger S. Kolman, Chairman

L.C. Peltier Award Committee
Astronomical League

I met Gerry for the first time in 1999 when I went to my first AAVSO meeting in Hyannis, MA. Gene was there for my first meeting, and between the two of them I got an excellent indoctrination into the history, activities, people and excitement of the AAVSO. They had a fish on the line and they expertly drew me in hook, line and sinker.

After attending my fifth AAVSO meeting, in Hawaii, Irene and I were going through the hundreds of pictures she had taken and we were astonished at how many of them featured Gerry Samolyk in one way or another. In the bar at the hotel, down by the beach where we rented snorkeling equipment, at the visitor's center on Mauna Kea, at the summit of Mauna Kea, next to me next to the Keck telescope, behind Irene at the Volcanoes National Park- he was everywhere we were!

Then we went back through our pictures of previous meetings. There he was again, in dozens of pictures of us in Massachusetts, Wisconsin and California. It was then that Irene dubbed Gerry 'our travel gnome'. He's been on trips with us to Arizona, England, Massachusetts (several times), Illinois and again to California this spring. At every meeting we go to we make sure to get pictures of Gerry now.

I remember I got a little bent out of shape over it in England. We took a long bus tour from Cambridge to Stonehenge and Avesbury that took an entire day. When we finally got back to the hotel that night I downloaded the pictures from the day onto my laptop. As we examined the images, it became painfully obvious that Irene had taken two, count them TWO, pictures of me next to the monolithic stone outcroppings. On the other hand we had a half dozen pictures of Gerry and about two dozen pictures of sheep and crows! Irene loves to do animal pictures. (No offense, Gerry.)

Irene finally confessed to Gerry in a pub one night in England that we were now purposely taking images of him and calling him our travel gnome. I think it was because she was afraid he was beginning to think she was weird, shooting pictures of him on our vacations. We all had a good laugh over it and a couple of pints.

The Leslie Peltier Award couldn't go to a nicer, more deserving man. Congratulations, Gramps. Well done.

The Astronomical League Convention 2009


This years Astronomical League Convention, ALCon 2009, was held at Hofstra University on Long Island, New York, August 7-8. The convention was hosted by the Amateur Observer's Society of New York.

The list of speakers was impressive, including speakers from Astronomy and Sky and Telescope magazines, the Association of Lunar and Planetary Observers (ALPO) and the American Association of Variable Star Observers (AAVSO) of which I was one.

Topics ranged from amateur radio astronomy to cosmic rays, exoplanet research, astrophotography, meteorites, comet hunting, light pollution, and of course- variable stars. Phil Harrington's talk on the development of the amateur telescope was an excellent historical overview, and Phil does a great job of presenting material.

I saw some remarkable results from amateurs studying our solar system's planets, but was particularly impressed with Frank Melillo's images of the innermost planet, Mercury. Mercury is a devil to even find in the sky, because it is so close to the Sun most of the time. I think I've actually seen it in a telescope maybe three or four times in my whole life! Frank has taken imaging the planet into new territory with his home observatory, and the comparisons to professional results and the Messenger spacecraft images were impressive.

Al Nagler was both a speaker and a vendor at ALCon. He gave a talk on selecting eyepieces and then had his booth set up so you could take his advice and go purchase some excellent TeleVue products! Al was one of the 'legends' of astronomy that I had on my list of people I wanted to meet at this convention.

The AAVSO had its display set up, and my travel companion, Simochick, held down the fort and gave away handouts while I was busy attending and giving talks.

Some variable star related news came out at this meeting. The Astronomical League will soon be announcing it has a variable star observing club program to go along with it's well-known and popular Messier, Herschel 400, Lunar and other club programs. These are observing challenges that observers take on and when they have completed them they earn certificates and pins as a reward for their observing accomplishments.

It was an especially rewarding weekend for Sue Rose, president emeritus of the Astronomical League. On Friday night, at the "Star B Cue" banquet held at the Custer Institute, the AOS held a special ceremony to name its observatory the Susan F. Rose Observatory in her honor. On Saturday afternoon, Sue was informed that Minor Planet 1993 SR3 has been renamed 7194 Susanrose. As if that weren't enough, she also cleaned up in the raffle drawings at the end of the convention, winning a Galileoscope and the AL variable star observing book, written by Roger Kolman soon to be coming out!

Gordon Myers from AAVSO gave a talk entitled "The Facinating Universe of Variable Stars" that is available as a PowerPoint from the AAVSO Education and Outreach pages. My talks on "Epsilon Aurigae" and "Variable Stars and the Stories They Tell" are also available as ppt files in the AAVSO Presentation Library.

I got to meet several people who I have only known through email, Twitter and facebook for some time now, including Vivian White from the Astronomical Society of the Pacific and Deirdre Kelleghan the 'skysketcher', from Ireland and Robert Sparks of NOAO.

Vivian is a Night Sky Network Administrator and astronomy educator for the Astronomical Society of the Pacific�s Night Sky Network: http://nightsky.jpl.nasa.gov/, a nationwide coalition of amateur astronomy clubs dedicated to astronomy outreach. Also a board member of the San Francisco Amateur Astronomers, she is passionate about communicating astronomy with the public.

Deirdre is a former President of the Irish Astronomical Society (2005 - 2009) she is now The Outreach Officer for the Irish Federation of Astronomical Societies. She enjoys writing articles on the wonders of astronomy and space, and her work has been published in Irish, English and American astronomical magazines. Her background has been in graphic design for print and magazines before computers.


Rob Sparks is a Science Education Specialist at the National Optical Astronomy Observatory in Tucson, Arizona where he works on a variety of project including Hands-On Optics, the Galileoscope, Dark Skies Awareness, and Building Information Technology Skills Through Astronomy.

Overall, ALCon was an impressive display of the people and capabilities of amateur astronomy in the 21st century. We are keeping tabs on the planets, stars and galaxies and doing education and outreach to inform the public about astronomy, space science and light pollution issues. ALCon 2009 clearly demonstrated the enthusiasm and expertise of the amateur astronomy community. The Simostronomer gives it two thums up.

Frank Melillo photo: Robert Naeye