Firstlight Newsletter of the Alachua Astronomy Club
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FirstLight Newsletter of the Alachua Astronomy Club 29° 39'N, 82° 21'W June 1995 Upcoming Monthly Events Next Meeting — Tuesday, June 13 University of Florida will introduce a video narrated by Patrick Stewart on • 7:00 p.m. Executive Council Meets. "One Hundred Years of Seeing at the • 7:30 p.m. Business Meeting. Lowell Observatory." The Discovery • 8:00 p.m. Event: Professor Howard L. Channel originally telecast this program Cohen, Department of Astronomy, last year in honor of Percival Lowell and the founding of his private, Arizona observatory one hundred years ago. North Central Florida's Amateur Astronomy Club. Meets second Tuesday of each month, 7:30 p.m., Doyle Conner This production presents both new Building, S.W. 34th Street at S.W. 20th research programs using upcoming tech- Avenue, Gainesville, Alachua County, nologies, and reviews historical events at Florida. General public and beginning star- Lowell including the discovery of the gazers invited to all meetings, star parties planet Pluto, the discovery of the red shift and club events. No equipment needed. of galaxies, and the Martian canal contro- Call a club officer for more information. versy. Lowell changed the way we view President Robert Jacobs our universe. Don't miss this program. Alachua (462-4558) Vice-President Mark Cowan July Meeting — Tuesday, July 11 Gainesville (375-2564) Treasurer Doug Richards • 7:00 p.m. Executive Council Meets. Gainesville (332-4317) • 7:30 p.m. Business Meeting. Publicity Pamela Mydock • 8:00 p.m. Speaker: Mr. Seppo J. Laine. Lochloosa (481-5238) Title: "Bars in Galaxies." Synopsis: Star Parties Bruno Pancorbo Gainesville (373-0279) Mr. Laine is finishing his Ph.D. at the FirstLight Chuck Broward University of Florida. Lie will discuss Editors Melrose (475-1014) his research on bars in spiral galaxies Howard Cohen and the importance of optical Gainesville (376-5833) observations including his own obser- vational work, especially his obser- World Wide Web Home Page at URL vations of the gaseous components. http://nervm. nerdc. ufl.edu/~cohenba FirstLight: Newsletter of the Alachua Astronomy Club Page 2 Upcoming Star Parties • June 24 (Saturday night). Meet at Kanapaha Botanical Gardens sunset, (8:33 p.m. EDT; sunrise 6:30 Moonlight Walk (7:00-11:00 p.m.). a.m.). Observing location Bob Jacobs' Meeeting tunes tentative. (Sunset is at house (see map inside). No moonlight 5:31 p.m. EST.) Waxing Gibbous (four days before new moon). Moon (three days before full) rises at 4:10 p.m. EST. Saturn will also be The AAC's Events Web page contains well placed for observation. Bring solar system phenomena for this night telescopes for public. Free admission (rise and/or setting times, magnitude, for AAC members. In view of last disk size, and phase). month's very successful moonlight • July 1 (Saturday night). Rain date if walk (see related story inside by Bruno weather poor on June 24. No Pancorbo), we will do it again next moonlight (three day old waxing fall! So mark your calendars now! crescent). (Note: Homecoming at the University • November 4 (Saturday night). of Florida is this same weekend.) $ Arrive before 7:00 pm EDT. Minutes: May Meeting — Mark Cowan e tentatively agreed to change Museum of Natural History. Dave Wthe August meeting to August Godman and Don Loftus held a sidewalk 15th (one week late), if Dan Durda is star party for a troop of Brownies, their available to speak on that date. families, and neighbors. Robert Jacobs read Robert Burnham's editorial for this Our May star party was confirmed for month's Astronomy Magazine urging Kanapaha's Moonlight Walk. June amateurs to share the excitement of the star party date set: Saturday, June 24, at skies with children in local schools. Robert Jacob' home. Rain date: July 1. Dr. Robert E. Wilson was our featured Suggested changes for our by-laws speaker. He intrigued us with his were given to board members. The research into the periodicity of Beta board was asked to consider the changes, Lyrae, eclipsing binary. He emphasized and make notes. We will go over the the contributions of amateurs, and the by-laws at the June 13 meeting at 7:00 remarkable value of obseivations more p.m. Please be prompt. than a century old. I Ie would not reveal Howard Cohen noted that a star the central theory of his current work, occultation by the asteroid 74 Galatea pending publication. We may invite Dr. happens Thursday (May 11/12) He Wilson for a return engagement, to tell us also told about showing the sky to more about the causes of the small amateur fossil hunters near Ichetuknee variations. <> Springs State Park for the Florida FirstLight: Newsletter of the Alachua Astronomy Club Page 3 Observer's Column: Watermelon Pond — David Godman hat a lucky day we had Way that was shinning overhead. 1 looked WSaturday, April 28. The skies at the Dumbbell Nebula; it looked better cleared up for only two days in that week. than any picture I have seen. It was so As usual Joe and 1 went to Watermelon bright everywhere that it w as hard to see Pond to check out the skies. When we got the dumbbell shape. It looked like a circle there, a policeman was talking to some instead. Then I moved to the Ring men. Later we found out they were Nebula. It was equally impressive, but I looking for frogs in the pond. They tried could not see the central star. I read that to look through the scopes, but they were many people have seen the center star so drunk I wondered what they saw! with telescopes like mine, so I never waste the opportunity to check it out. As the night progressed, we observed many objects in Ursa Major. I started At the same time Joe was checking out with the Whirlpool Galaxy. Its arms were some objects in the South. He found the easily detected in my 12.5 inch Dob. Omega Centauri Globular Cluster; an Later I went hunting for an NGC object impressive object even at low altitude. By that I usually sec from my backyard, now it was about 5:00 a.m. and the skies NGC 3079, a bright edge on galaxy again were clearing up. We went back to in Ursa Major. I made some drawings Jupiter, but the contrast was not as good and then looked for NGC 3072, a galaxy- as earlier. located about 30 arc minutes from NGC Before we packed the instruments back 3079. This was very faint; in fact Joe into the car, we saw Venus looking red didn't detect it. I think I saw it but only low in the sky. We left around 6:30 a.m., for instants at a time. very tired and sleepy but happy, never- Around 2:00 a.m., a police car came theless, for the great view we had earlier. over. As usual, he was flashing its lights Star party in Watermelon Pond May in our eyes ruining our night vision. He 22. For some reason we have been very stopped besides us and asked some lucky every time we go to "The Pond." questions. When he saw the telescopes, The sky was clear and the mosquitoes he came out of the ear. I showed him probably stayed in Gainesville. As Jupiter that was rising in the East. usually, we concentrated on galaxies, but Because 1 didn't want to ruin my night this time we cheeked some nebulas with vision, I only found the planet in the eye- Joe's new nebula filter and his 22mm piece, but when the policeman started Panaoptic. Those filters really work screaming with excitement, we couldn't dimming the surrounding stars, but they resist the temptation. This was the best excel when looking at faint nebulas. view of Jupiter I ever had. The atmos- phere was very steady giving us sharp The highlights were a transit of one of and colorful views of the planet. Jupiter's moons and a rocket launch — we think — at 2:00 a.m. I first saw a Alter some time we left the planet just for bright red light (magnitude 5'.') about 20 the moment to concentrate on the Milky degrees ESE for about 30 seconds. Then FirstLight: Newsletter of the Alachua Astronomy Club Page 4 it became dimmer and it moved up. At morning, May 23, 1995 at 1:54 a.m. EDT this point, we look through the tele- using an Atlas 1 rocket Designated scopes. I saw a rocket separating from the AC-77/GOES-.I, this is the second space- main rocket. The rocket continued its tra- craft launched in a new advanced scries jectory for about 20 seconds, forming in of geostationary weather satellites for the front a white cloud that expanded out- NOAA. Learn more about this satellite by ward from the rocket. Suddenly the cloud pointing an Internet Web browser to URL disappeared from the inside out and, after http://www.lerc. nasa.gov/Other_Groups a bright spark, the rocket was gone. /PAO/html/goes.htm. Ed.) Does anybody know about any launch schedule that day? Any way I had to work the next day so I (NASA launched a GOES weather sate- stayed only till 2:30 a.m. Joe stayed at the llite from Cape Kennedy early Tuesday pond. I hope he is still alive! 0- Book Review — Don Loftus Will Black Holes Devour the details if necessary. It is a good format; Universe? & 100 Other Questions straight forward and to the point.