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Editorial Chair's Report H A M I L T O N A M A T E U R A S T R O N O M E R S Volume 3 Issue 2 December 1995 Devillaer, Doug Welch and Grant Dixon Editorial for providing interesting presentations while we waited for Terry to arrive and don't know about everyone else set up. Thanks to Raechel Carson, Denise but I would really like to be Kaisler and Grant Dixon for looking after able to do some observing the sale table throughout the meeting. again one of these days. We Thanks to Bob Botts for coming to my have an interesting event taking place on Chair’s Report rescue and helping with Terry's slide December 9 as discussed in Rob Roy's projector. Thanks to everyone who came article on page 5. Those of you who do and brought their families. Thanks to can't think of a better way to not attend our meetings will not get this Grant Dixon for making sure everyone in summarize our November newsletter in time and I was tempted to the world knew about the meeting general meeting than: wow. leave out the article for that reason. So including the papers, TV and radio before anyone complains about untimely stations. A final and special thank you to If you were there you know information I believe the article still has Grant Dixon for arranging Terry what I mean. If you missed it, picture value in showing yet another celestial Dickinson's appearance at this, our 2nd this: 140 people, Terry Dickinson, the event to watch out for. For those who are anniversary meeting! finest astrophotos ever and a chance to able, you may want to consider attending get autographed copies of some of the more meetings. The meeting was wildly best astronomy books available. successful on many levels and we have If it is clear on the weekend ten new members because of it, as well! I Like I said: wow. before Christmas (new moon December am certain that the momentum started 22) I will be having a look at "Denise's with this first meeting of our third year So many people helped at the galaxy". Check out the article on page 2 will continue with us through the meeting, I'm afraid to mention names in and finder chart on page 3. upcoming year. case I inadvertently forget someone! Anyway, here goes: thanks to Grant This will be the last newsletter After our very first meeting two Dixon, Bill Tekatch, Gary Sutton, Pat for anyone who hasn’t renewed their years ago, as we piled into a newly Durrell and everyone who pitched in to membership. The deadline was October opened restaurant in Dundas and settled help set up more chairs when the 31 but if you send in your renewal right in to our favourite beverages, Doug audience continued to grow beyond our now you won't miss a single issue. Welch proposed a toast to the Hamilton expectations. Thanks to Bob Botts, Mike Consider it as an early Christmas present Amateur to yourself. You can still ask Santa for all those eyepieces, filters, books, software, ... Inside This Issue As always, articles and pictures are appreciated and you don't need a q EDITORIAL q ASTEROID OCCULTATION modem or Internet connection to submit them. The article by David Fleming on page 6 was submitted via "snail mail", q CHAIR’S REPORT q COMET IMPACT scanned then converted into text using Optical Character Recognition (OCR) q DENISE’S GALAXY q COSMOLOGY software. Just make sure to submit early and often. q SWEATSHIRTS q HAJA Happy (and clear) holidays, q JPL NEWS RELEASE q ROMAN AROUND Stewart Attlesey [email protected] q OFF THE BEATEN PATH q WEATHER AND ASTRONOMY q WHAT’S YOUR I.O. q SHAKESPEARE Page 2 Event Horizon Astronomers. It's a toast I've never actually seen it through a telescope, yet. forgotten because it has proven to be our My interest was piqued and I vowed to raison d'etre. He raised his glass and said: check into this peculiar astronomical Sweatshirts "Have fun!". object. Part 2, We are, Doug, we are!! The galaxy's common name is Perseus A. It has an NGC designation as Merry Christmas and a very well: NGC1275. Perseus A can be found Anyone? happy & prosperous New Year to at right ascension: 3h19.8' ; declination: everyone! +41degrees31minutes or about 2 degrees ur first order of sweatshirts east of the star called Algol in the didn't last very long! Many Ann Tekatch constellation Perseus. (Check out the people have expressed an Chair finder chart) interest in ordering more. If 575-5433 we can get a fe w more orders, [email protected] According to the NGC 2000 we can put in another order for 25. If you catalogue, Perseus A is small, (2.6' in want to reserve one, make sure you fill P.S. Make sure you check out our new diameter) and dim (visual magnitude out the form below or let me know. and improved home page! 11.6). As a comparison, the Ring Nebula (M57) in Lyra is 2.5' in diameter and has In case you missed the first http://www.science.mcmaster.ca/HAA/index.html a visual magnitude of 9.0. The dimmest order, here are the details again: Messier object, M76 (the so-called "Little Dumbbell Nebula") has a visual These 50% cotton/50% magnitude of 11.5, but is almost twice as polyester sweatshirts will feature the big as Perseus A at 4.8' across. The same yellow-gold logo plus the phrase surface brightness of M76 should "...resistance is futile" beneath it. They therefore be less than that of Perseus A. are available in black, white, red, grey, or If M76 is visible in an 8" telescope under dark blue. Sizes: Adult S, M, L or XL Denise’s Galaxy: dark skies- and it is because I've seen it (XXL available at $3 extra). If we get in my 8" scope - I would guess that orders for 25 sweatshirts, the cost will be Perseus A Perseus A would be visible also. $23. each including taxes. If you're interested, fill out the order form below Perseus A is a strong source of and hand it to me at the next general ne of the really neat things radio and X-ray emissions and is located meeting or mail it to me at my address about belonging to an about 300 million light years away from below. Once we have an indication that astronomy club is getting to us. It appears to consist of two galaxies enough people are interested, we can meet interesting people who actually passing through one another! place our order and collect payment. are doing interesting things. The radio waves being emitted from Perseus A have been traced to two lobes HAA SWEATSHIRT ORDER FORM Denise Kaisler is a graduate near the nucleus of the galaxy(ies) which student in the Physics & Astronomy orbit about a common centre of gravity in NAME: ___________________ Department at McMaster University and only 10,000 years. is new to our council this year. She was ADDRESS:___________________ the guest speaker at our general meeting I promised Denise that we'd find last April. You'll remember her brave her gala xy as soon as the next ____________________________ and witty presentation on astrology, I'm opportunity arose. It's been cloudy ever sure. (If that wasn't enough to convince since. PHONE: _____________(DAYS) you that Denise is not an ordinary graduate student, then you should check Sorry, Denise, it doesn't look _____________(EVE.) out her home page on the internet!) like galaxy -gazing was in your horoscope for November! However, I see a tall, SIZE: _________ Anyway, I had a chance to talk dark telescope pointing towards Perseus to Denise at the October council meeting in your future.... COLOUR: _________ and discovered that she's been doing some work on a peculiar galaxy in the Ann Tekatch Ann Tekatch constellation, Perseus. This galaxy 19 Pheasant Place sounded quite fascinating to me but Hamilton, Ontario L9A 4Y4 Denise wasn't sure whether it would be (905) 575-5433 visible in a backyard 'scope or not. In fact, she confessed that she hadn't Page 3 Event Horizon Page 4 Event Horizon from much farther out in the Solar System The first two missions in the by the gravitational attraction of Jupiter in Discovery program will be launched in JPL News 1974. Stardust will approach as close as 1996, in February and December, 100 kilometers (62 miles) to the comet's respectively: the Near Earth Asteroid Release nucleus. Rendezvous, a small spacecraft that will orbit and study the asteroid Eros ontact: Diane Ainsworth, "Space scientists are intensely beginning in January 1999; and the Mars FOR IMMEDIATE interested in comets because we believe Pathfinder, designed to place a small RELEASE Nov. 22, 1995 that most of them are well-preserved lander and robotic rover on the surface of remnants from the earliest days of star and Mars in July 1997. COMET SAMPLE RETURN MISSION planetary formation," Huntress said. PICKED AS NEXT DISCOVERY "Stardust should also give us some unique Formally started in NASA's FY FLIGHT guidance about how to focus the science 1994 budget, the Discovery program we plan to conduct a few years later with features small planetary exploration A spacecraft designed to gather a surface lander on a different comet spacecraft with focused science goals samples of dust spewed from a comet during the international Rosetta mission." that can be built in 36 months or less, for and return the dust to Earth for detailed less than $150 million (FY '92 dollars), analysis has been selected to become the Stardust will be launched on an not including the cost of the launch fourth flight mission in NASA's expendable launch vehicle in February vehicle.
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