Journal of the Association of Lunar & Planetary Observers
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ISSN-0039-2502 Journal of the Association of Lunar & Planetary Observers The Strolling Astronomer Volume 46, Number 2, Spring 2004 Now in Portable Document Format (PDF) for MacIntosh and PC-Compatible Computers Inside... * AstroCon 2004 Approaches — Be a part of it * Observing the upcoming June transit of Venus * A report on the 1999-2000 Venus apparition * The interest continues: The ALPO Lunar Dome Survey * Speaking of which, analysis of a lunar dome near Copernicus . plus reports about your ALPO sec- tion activities and much, much more. This month’s cover: C/2004 F/4 (Bradfield) Image by Michael Jäger and Gerald Rhe- mann on 2004 April 22, 2.50 UT, around 70 minutes before sunrise; image with Apo-Tele 180mm/f-3.3; 6x4 seconds. The tail ~1.5 degrees. (Source: http://encke.jpl.nasa.gov/ index.html. Visit the ALPO comet page at http://www.lpl.arizona.edu/~rhill/alpo/ comet.html) The Strolling Astronomer Journal of the In This Issue: Association of Lunar & Inside the ALPO Point of View: Research Amateur Astronomy Indoors Planetary Observers, . ................................................................ 1 ALPO Conference News .....................................2 The Strolling Astronomer AstroCon 2004 Notes .........................................3 ALPO Membership Online..................................3 Volume 46, No. 2, Spring 2004 Our Advertisers ..................................................3 This issue published in May 2004 for distribution in Reminder: Address Changes ...............................3 both portable document format (pdf) and also hardcopy Report from the ALPO Membership Secretary/ format. Treasurer.........................................................3 Observing Section Reports .................................4 This publication is the official journal of the Association Meteors Section ..............................................4 of Lunar & Planetary Observers (ALPO). Solar Section ..................................................4 Mercury Section..............................................4 The purpose of this journal is to share observation Venus Section .................................................4 reports, opinions, and other news from ALPO members Lunar Section .................................................5 with other members and the professional astronomical Mars Section ...................................................5 community. Minor Planets Section .....................................6 Jupiter Section ...............................................6 © 2004, Association of Lunar and Planetary Observers Saturn Section ...............................................6 (ALPO). The ALPO hereby grants permission to educa- Remote Planets Section .................................7 tors, academic libraries and the professional astronomi- cal community to photocopy material for educational or research purposes as required. There is no charge for Features these uses provided that credit is given to The Strolling An Uncommon Appointment: The June 8, 2004 Astronomer, the “JALPO” or the ALPO itself, as appro- Transit of Venus .............................................8 priate. All others must request permission from the Observations of Venus During the 1999-2000 ALPO. Western (Morning) Apparition.......................17 Unfinished Business: The Rebirth of the ALPO Lunar For membership or general information about the Dome Survey................................................25 ALPO, contact: A Generic Classification of a Lunar Dome Near Copernicus ..................................................32 Matthew Will ALPO Membership Secretary/Treasurer ALPO Resources P.O. Box 13456 Springfield, Illinois 62791-3456 ALPO Board of Directors ..................................36 Publications Staff ..............................................36 E-mail to: [email protected] Interest Section Staff .........................................36 Observing Section Staff............................... 36-38 ALPO Board/Staff E-mail Directory...................38 Visit the ALPO online at: ALPO Publications...................................... 38-40 http://www.lpl.arizona.edu/alpo Membership in the ALPO (including membership application)............................................. 40-41 Volume 46, No. 2 Spring 2004 The Strolling Astronomer Inside the ALPO Member, section and activity news Association of Lunar and Planetary Observers (ALPO) Point of View Board of Directors Research Amateur Executive Director (Chair); Richard Schmude Associate Director, Treasurer, and Astronomy Indoors Membership Secretary; Matthew Will By John W. Westfall, ALPO science editor Founder/Director Emeritus; Walter H. Haas Member of the Board; Julius L. Benton, Jr. The amateur who is trapped indoors by Member of the Board; Donald C. Parker cloudy weather or lacks a high-performance Member of the Board; Ken Poshedly telescope still has plenty of opportunity for Member of the Board; Michael D. Reynolds meaningful research, thanks to readily avail- Member of the Board; John E. Westfall able source material on line or on CD-ROMs. Member of the Board, Secretary; Elizabeth W. Westfall Here are some examples (emphasizing the Moon because that’s what I’m most familiar with). Publications Editor & Publisher, Ken Poshedly First are several on-line collections provided by the Lunar and Planetary Institute (www.lpi.usra.edu): (1) The Lunar Orbiter Primary Observing Coordinators, Other Staff Atlas of the Moon — almost all the Moon at (See full listing in ALPO Resources at end of book) sub-telescopic resolution with a medium solar Lunar and Planetary Training Program: Coordina- altitude; (2) The Apollo Image Atlas — 70-mm tor; film photographs from all the missions, includ- ing orbital views from Apollo 8 and 10-17; and Timothy J. Robertson (3) The Consolidated Lunar Atlas — The Solar Section: Acting Coordinator, Rick Gossett earthside under a range of lighting, one of the Mercury Section: Coordinator; Frank Melillo most detailed sets of telescopic photographs Venus Section: Coordinator; Julius L. Benton, Jr. ever taken (also available as a CD-ROM set). Mercury/Venus Transit Section: Coordinator; John E. Westfall Several sites offer the Clementine mission Lunar Section: Coordinator; Selected Areas Program; images on line, but I prefer to use the CD- Julius L. Benton, Jr. ROM set offered by the National Space Sci- Mars Section: Coordinator, all observations, U.S. cor- ence Data Center (nssdc.gsfc.nasa.gov/cgi- respondence; Daniel M. Troiani bin/shop/web_store.cgi). These cover the Minor Planets Section: Coordinator; Frederick Pilcher entire Moon at 100-meter resolution under Jupiter Section: Coordinator; Richard W. Schmude, Jr. noon lighting. Saturn Section: Coordinator; Julius L. Benton, Jr. Remote Planets Section: Coordinator; Richard W. Then there’s a wonderful source for research Schmude, Jr. in any area of astronomy — the NASA Astro- Comets Section: Coordinator; Gary Kronk physics Data System (adswww.Har- Meteors Section: Coordinator; Robert D. Lunsford vard.edu). It currently lists 975 thousand Meteorites Section: Coordinator; Dolores Hill abstracts, scanned issues of 41 journals, Computing Section: Coordinator; Mike W. McClure scanned conference proceedings, and Obser- Youth Section: Coordinator; Timothy J. Robertson vatory/Society Publications. Historical Section: Coordinator; Richard Baum Instruments Section: Coordinator; R.B. Minton So your computer now can serve you as a Eclipse Section: Coordinator; Michael D. Reynolds university-level astronomy research library, Webmaster: Coordinator; Richard Hill but what can you do with it? One example is lunar banded craters, frequently studied and catalogued by amateurs using telescopic (See Point of View, Page 6) Volume 46, No. 2 Spring 2004 Page 1 The Strolling Astronomer Attend A Conjunction! AstroCon 2004 July 20-24, 2004 Image credit: NASA and ESA San Francisco Bay Area ere’s a conjunction you can actually attend— not just observe: a truly once–in–a–lifetime conjunction of Hthe Astronomical League, the American Association of Variable Star Observers, the Association of Lunar and Planetary Observers, and the Astronomical Society of the Pacific. Highlights : • AAVSO and ALPO member sessions open to all attendees • Top professional astronomers • Great new public outreach tips and techniques • Field trip to the world-famous Lick Observatory AstroCon 2004—the Astronomical League’s annual convention—is co-hosted by the Astronomical Association of Northern California, the Eastbay Astronomical Society, and the San Jose Astronomical Association. www.astrocon2004.org 1-415-337-1100 x 109 visit the website for complete leave us a message to details, including secure on- request a printed registration line registration and payment form, or to ask a question Page 2 Volume 46, No. 2 Spring 2004 The Strolling Astronomer Inside the ALPO Member, section and activity news (continued) AstroCon 2004 Notes Online Payment On page 3 of the last issue of the Strolling Astrono- (From Richard Schmude, ALPO executive director mer (Volume 46, Number 1), the short writeup on online payment is correct. However, it should be I hope that many of you will be able to attend this noted that the ALPO is being assisted by the Astro- important convention. One of the convention high- nomical League in the collection of ALPO dues. lights is that the banquet will be held on the USS Hor- Those paying for ALPO memberships in this manner net. will be billed in their credit cards monthly statements by the