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February 2021 Volume 47 Number 1 in the Pages of the Gemini

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February 2021 Volume 47 Number 1 in the Pages of the Gemini Minnesota Astronomical Society February 2021 a publication of the Minnesota Astronomical Society Volume 47 Number 1 In the pages of The Eclipse Trip That Wasn’t By Bill Glass the Gemini For over 50 years, I’ve enjoyed observing total eclipses of the Sun. On December 14, 2020, there was a total eclipse that was visible from Chile. I had My Involvement in Astrophotography hoped that it would be my 20th total eclipse (“Number 20 in 2020”). Unfortunately, and the Minnesota Astronomical Society Mother Nature and a virus had other plans. By Gunnar B. Isberg…Page 3 Don’t Lose Sight By Dusty Haskins…Page 5 MAS Patron Members…Page 7 MAS Board Minutes By Trena Johnson, secretary…Page 7 Risky Exposures By Thor Olson…Page 8 2020: A Space Odyssey By Jay Bruesch…Page 10 Variable Star of the Month By Jim Fox…Page 10 MAS 2021 Star Party Schedule…Page 11 Directions to Star Party Locations…Page 11 The path of the eclipse across Chile and Argentina. Plan A Stories Wanted: Gemini is written entirely I began making my plans for the eclipse in May 2018 when I signed up for by our members, for our members. Gemini needs an eclipse tour and placed my deposit. In July 2019, I went to Chile for my 19th your stories: how you first became interested in total eclipse and got to meet the local people who would also provide support for astronomy, how your interest has evolved over the the December 2020 eclipse. By the spring of 2020 I had made more deposits and years, equipment you use, projects or activities purchased airline tickets. Then the news of COVID-19 hit. you have worked on, star parties or events you’ve attended in this state and elsewhere, how you’ve Several weeks later, Chile closed its international borders to non-residents, encouraged others—especially young people—to and it remained that way for months. Fortunately, the tour operator suspended get involved in this fascinating hobby. Submit your collecting any additional payments, so I waited to see what might happen. The stories to [email protected] borders remained closed through the summer and early fall, and I began to think that it was unlikely that the tour would take place. Then there was good news in E-mail Update: If your e-mail address has November. Chile was planning to reopen their borders in late November but with recently changed, chances are your address used for several restrictions. A negative PCR COVID test would be required 72 hours prior MAS e-mail distribution lists is not current. Please to entry, plus proof of health insurance coverage in Chile and a 14-day quarantine inform the e-mail list administrator of your new on arrival in Santiago. Later it was announced that the quarantine requirement e-mail address at [email protected] to update your address for the e-mail distribution lists. would be discontinued after the first week of December. Also if your e-mail, phone number or street address It looked like the tour might be possible. But after looking at all the problems has recently changed, please fill out the “Update involved in meeting the tight time constraints for a PCR test, plus the additional Member Information” Web form at mnastro.org/ costs in switching dates on my airline flights, and listening to the CDC’s warnings update-member-information to update your contact about unnecessary trips, I decided that the wise thing to do was to cancel my information in the MAS member records. plans for the trip. It was then time to come up with an alternate plan. Plan B GEMINI INFO Editors Brian Litecky and Eugene Brown Webmaster MAS Web Committee, chair Merle Hiltner, [email protected] Forums Administrator Russ Durkee E-mail List Administrator Bob Brose Monthly Meeting Presenter Coordinator Ahmed Reda Astronomical League Coordinator (ALCOR) Cloud cover at the time of the eclipse. Jerry Jones Since I wouldn’t be able to see the eclipse in person, I figured that the next best way to observe it would be via a webcast. On Google I was able to find three organizations Outreach Coordinator that were planning to broadcast the eclipse from sites near Villarrica, which Lilah Blinkman was the destination of the tour that I had planned to use. One of those groups Gemini is published 6 times annually (exploratorium.edu), canceled their plans several days before the eclipse because of by the Minnesota Astronomical Society. COVID. On the day of the eclipse, I hooked up one of my computers to my living room TV and sat down to watch the eclipse. I first tried the NASA Live webcast. For a few Electronic submissions for minutes they talked about the eclipse while the camera showed all the clouds and fog Gemini may be sent to: at the observing site. Eventually they gave up and switched to other programming. [email protected] The robotic telescope service Slooh has several remotely operated telescopes Hardcopy items should be sent to: around the world, and despite the bad weather they at least continued their eclipse Minnesota Astronomical Society broadcast. However, they could show only clouds, fog, and people walking around Attn: Gemini with umbrellas. The program degenerated into a series of commentators talking about P.O. Box 14931 eclipses or encouraging viewers to sign up to Slooh in order to access their telescopes. Minneapolis, MN 55414 Finally, I discovered a broadcast from Neuquén, Argentina, where the weather was better. They did a decent-quality broadcast of the entire eclipse with a simple music MAS Board Members audio track playing. Thin clouds did appear during the last half of the eclipse and the image quality deteriorated a bit, but it was still pretty good. President: Mark Job In addition to watching the webcast, I also ran the Eclipse Orchestrator program E-Mail: [email protected] on another computer to be able to see its simulated view of the eclipse. As it turned out, it was a good thing I did that. I discovered that watching an eclipse on TV is quite Vice President: Valts Treibergs boring. I eventually started to read a newspaper while waiting for totality and then E-Mail: [email protected] even started to fall asleep. Fortunately, I was jarred awake by the voice announcement Treasurer: Matt Dunham from Eclipse Orchestrator—”Two minutes! Two minutes to go!” That got my attention E-Mail: [email protected] and ensured that I was fully awake during totality. Secretary: Trena Johnson E-Mail: [email protected] Board Member at Large: Gunnar Isberg E-Mail: [email protected]. Board Member at Large: Conrad Sanders E-Mail: [email protected] Webcast of the solar eclipse on December 14, 2020, from NeuquÈn Province, Argentina. Image courtesy of CosmoSapiens. GEMINI • www.mnastro.org 2 When’s the Next One? Dedicated eclipse chasers are always looking ahead a few years to make plans for future eclipses. Unfortunately, for people like me who prefer to observe an eclipse from dry land, the next few years don’t present many good opportunities. On December 4, 2021, there is an eclipse that is visible from Antarctica. The next one is a hybrid eclipse on April 20, 2023, that nicks the NW corner of Australia before crossing some islands in Indonesia. Even on the center line, that eclipse will last just barely over one minute. The next eclipse, a monster, on April 8, 2024, will exceed four minutes in many locations. The path crosses from Mexico into the USA, where it goes from Texas to Maine. The eclipse after that is another short one—on August 12, 2026,— that crosses over Greenland and the west coast of Iceland before ending at sunset in Spain. I hope COVID will not be a concern Screen capture of the eclipse webcast. for any of these eclipses and that I will finally be able to log my Postscript 20th eclipse. I have recently learned that although Chile’s international borders remained open, just a few days before the eclipse the government implemented restrictions on inter-city travel within the country that made it difficult or impossible to travel from Santiago to cities along the eclipse path. The tour that I had signed up with was canceled the day before they were scheduled to depart the USA. My Involvement in Astrophotography and the Minnesota Minnesota Astronomical Society and its member and officers, Astronomical Society from the site managers to the board members and all the By Gunnar B. Isberg volunteers, for all that they do for our organization. I have learned about astronomy and astrophotography from other members, by My interest in astronomy started when I was young. A attending star parties and by being in the field with others who number of years later I discovered my love for astronomy after share my love of astronomy. I have received advice from many taking astronomy and earth-science courses in college. Mr. Hall members on subjects from how to observe to tricks that are used (my professor) took my class to use a large refractor the school in order to be a successful amateur astronomer. had for observing. I spent time looking at nebulae, stars, planets and other sky objects through the telescope, and my interest has grown. M101: Pinwheel Galaxy Some of the resources to learn about astronomy and astrophotography are publications, field guides, magazines and online searches. There are many of these to choose from. M27: Dumbbell Nebula The first book I started using is The Backyard Astronomer’s I was the editor of my school newspaper and had the school’s Guide by Terence Dickenson and Alan Dyer.
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