Reflector June-2020 Final Pages.Pdf
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Published by the Astronomical League Vol. 72, No. 3 June 2020 ASTRONOMICAL LEMONADE DOUBLE STAR OBSERVING ALCON 2020 HAS BEEN GRAVITY WAVES & ELEMENTS 4 1–92 REGRETFULLY CANCELLED DUE TO THE COVID-19 PANDEMIC. STELLAFANE’S HALE SPECTROHELIOSCOPE Take a Dream Trip Join a Astronomy Tour African Stargazing Safari Join astronomer Stephen James July 17–23, 2020 O’Meara in wildlife-rich Botswana for evening stargazing and daytime safari drives at three luxury field camps. Only 16 spaces available! Optional extension to Victoria Falls. skyandtelescope.com/botswana2020 S&T’s 2020 solar eclipse cruise offers 2 2020 Eclipse Cruise: Chile, Argentina, minutes, 7 seconds of totality off the and Antarctica coast of Argentina and much more: Nov. 27–Dec. 19, 2020 Chilean fjords and glaciers, the legendary Drake Passage, and four days amid Antarctica’s waters and icebergs. skyandtelescope.com/chile2020 Total Solar Eclipse in Patagonia December 9–18, 2020 Come along with Sky & Telescope to view this celestial spectacle in the lakes region of southern Argentina. Experience breathtaking vistas of the lush landscape by day — and the southern sky’s incomparable stars by night. Start and finish in cosmopolitan Buenos Aires. skyandtelescope.com/argentina2020 Astronomy Across Italy May 1–10, 2021 As you travel in comfort from Rome to Florence, Pisa, and Pad- ua, visit some of the country’s great astronomical sites: the Vat- ican Observatory, the Galileo Museum, Arcetri Observatory, and lots more. Enjoy fine food, hotels, and other classic Italian treats. Extensions in Rome and Venice available. skyandtelescope.com/italy2021 See all S&T tours at skyandtelescope.com/astronomy-travel 2 REFLECTOR ✶ JUNE 2020 Contents 4 . Letters to the Editor 5 . International Dark-Sky Association 5 . Night Sky Network 6 . Full STEAM Ahead 7 . Wanderers in the Neighborhood PAGE 7 9 . Deep-Sky Objects 10 . How to Submit Articles & Photos to the Reflector 10 . Advertising in the Reflector 12 . From Around the League PAGE 20 14 . 2020 AL Officer Candidate Bios 15 . Double Star Observing: Expand Your Toolbox 16 . The Elements of Surprise 20 . Gallery 22 . Finishing Unfinished Business: PAGE 22 SkyTools 4 Visual The Stellafane Spectrohelioscope 30 . Observing Awards Cover image: Steven Bellavia (Amateur Observers’ Society of New York) captured this image of the Flaming Star Nebula using a DIY Bellavia Mini 114 mm f/4 Newtonian astrograph with ZWO AZI183MM Pro and ASI183MC Pro CMOS cameras. The Astronomical League Magazine Vol. 72, No. 3 • ISSN: 0034-2963 • June 2020 New! A FEDERATION OF ASTRONOMICAL SOCIETIES A NON-PROFIT ORGANIZATION To promote the science of astronomy • by fostering astronomical education, • by providing incentives for astronomical observation and research, and • by assisting communication among amateur astronomical societies. Astronomical League National Office: Skyhound.com 9201 Ward Parkway, Suite 100, Kansas City, MO 64114 3 REFLECTOR ✶ JUNE 2020 transit, but due to trees in the east I missed the first 76 minutes. I captured 48 images at approx- To the Editor imately 5-minute intervals for the remainder of the transit with my 127 mm f/7 APO Refractor QUARTERLY PUBLICATION OF THE ASTRONOMICAL LEAGUE lanetary nebula observers in the Astronomi- Issued by the Astronomical League in March, June, September, and cal League might be interested to know that December, Reflector (ISSN: 0034-2963) is sent directly, either by P postal mail or via a digital link, to each individual member of its I have compiled a list of all galactic planetary affiliate societies and to members-at-large as a benefit of League membership. Individual copies of Reflector are available at the nebulae. For almost 15 years I have used a com- following subscription rates, payable to the League’s national office. prehensive and inspiring list which was compiled PAPER SUBSCRIPTIONS: USA & possessions: $3.00 each or $10.00 per year (4 issues) by Kent Wallace and modified by the late Doug Canada: $5.00 each or $16.00 per year Snyder (Planetary Nebulae list Rev 6DS, August Mexico: $6.00 each or $22.00 per year Other countries: $7.00 each or $25.00 per year 1, 2003) as well as the wonderful book Planetary DIGITAL SUBSCRIPTIONS: Pages by Kent Wallace. So far I have observed All countries, possessions, and territories: $10.00 per year and sketched almost 300 planetary nebulae even REFLECTOR AND CLUB ROSTER DEADLINES though I cannot reach many of the objects in Sag- March issue January 1 June issue April 1 ittarius and Scorpius due to my northern latitude September issue July 1 December issue October 1 (47.5°). However, there are many more objects Written and graphic material from this publication may be reprinted only within reach of my 18-inch Dobsonian. for non-profit benefit of interested parties, provided specific credit is given to the writer(s), Reflector, and the Astronomical League. Any other use of To identify them, I compiled a list of all material, including graphics and photographs, is subject to express permission from the Editor and the Astronomical League. known planetary nebulae in SIMBAD (more than 11,000) and manually separated the extragalactic NATIONAL OFFICERS President from the galactic ones to come up with a final Ron Kramer number of some 2,700 known “true” galactic 9520 Dragonfly Avenue • Las Cruces, NM 88012 520-500-7295 • [email protected] planetary nebulae. I furthermore included lists Vice President of non–planetary nebulae (some objects listed Carroll Iorg 9201 Ward Parkway, Suite 100 • Kansas City, MO 64114; as planetary nebulae in the literature are actually 816-444-4878 • [email protected] galaxies, reflection nebulae, peculiar stars, and Secretary Chuck Allen such), possible planetary nebulae, and proto- 4005 St. Germaine Court., Louisville, KY 40207 502-693-5504 [email protected] planetary nebulae, as well as a literature list. I Treasurer started compiling the list in fall 2017 and had to Bill Dillon 190 Settlers Road • Fincastle, VA 24090 stop in 2019 for personal reasons. I wanted to 703-674-8484 • [email protected] include as much information as possible, but I with a Nikon Z6 mirrorless camera positioned at Executive Secretary Maynard Pittendreigh will have to leave that until later. However, the list prime focus. I captured the images by hand, and 3208 Little Oak Way • Orlando, FL 32812 during the processing I took the individual frames 770-237-2071 • [email protected] is usable. For observers that choose observable National Office objects by constellation, as I do, it might be worth and hand-placed them on the finished image. I Mike Stoakes, Office Coordinator have attached an image of me at the telescope Astronomical League National Headquarters noting that the constellations are also given. 9201 Ward Parkway, Suite 100 • Kansas City, MO 64114 during the transit and the final image of the 816-DEEP-SKY Anybody interested is welcome to download National office: [email protected] and use the Microsoft Excel file for free. You can transit on a contact sheet from Photoshop. Society rosters: [email protected] League sales: [email protected] find it on my website, www.astroweis.de. Simply —Stephen Miller National Observing Program Directors go to “PN list” and then click “download.” Member-at-Large Cliff Mygatt Aaron B. Clevenson [email protected] [email protected] I am aware that the list still contains minor Al Lamperti Maynard Pittendreigh errors and I will try to sort them out as soon as [email protected] [email protected] y club voted to send my following original possible, so you may want to check for updates Astronomical League Historian M poem to the Reflector for publication: Mike Stewart 913-240-1238 • [email protected] from time to time. I will describe all changes LETTERS TO THE EDITOR made to the list. In the meantime, I wish you lots I slipped the bonds of Earth through prism lenses Send to [email protected] with subject line “letter to editor” of fun observing some of the most wonderful and watched Venus alight her night sky. objects in the sky. REFLECTOR STAFF I have climbed the mountains of the Moon Managing Editor Design/Production Thank you very much, indeed! and slid down its jagged slopes. Ron Kramer Michael Patterson Mobile: 520-500-7295 [email protected] —Christian Weis Eclipsed the sun through shaded glasses [email protected] Advertising Representative Tucson Amateur Astronomy Association and watched it darken the day. Editor Carla Johns Kristine Larsen 970-567-8878 I rode upon Mercury as it traversed the sun [email protected] [email protected] have noted that the images of the November 11, and watched as jets left their trails. Assistant Editor Coming Events Editor 2019, Mercury transit in the last two issues of I marveled at Saturn’s rings and became hooked Kevin Jones John Wagoner I [email protected] [email protected] the Reflector did not have as much of the transit as I counted them. Photo Editor captured as I was able to image from my home in I was amazed by Jupiter (Leader of the Gods) Dan Crowson [email protected] Aiken, South Carolina. I was set up for the entire whose size and gravitational pull is almost 4 REFLECTOR ✶ JUNE 2020 that of a star. Counted most of his moons that has not applied to any lighting controlled by election year in the United States passes, IDA and and wondered if its hundred years storm the federal government. Some of it in southern other interested parties can work with Congress would tear apart Mother Earth. Arizona is fine, but I can cite several examples and the administration to effect similar changes I looked upon the color of Mars and wondered of atrocious lighting on federal government in U.S.