The Observer of the Twin City Amateur Astronomers
Total Page:16
File Type:pdf, Size:1020Kb
THE OBSERVER OF THE TWIN CITY AMATEUR ASTRONOMERS Volume 43, Number 1 January 2018 INSIDE THIS ISSUE: 1«Editor’s Choice: Image of the Month – NGC 7380 2«President’s Note 3«Calendar of Celestial Events – January 2018 3«New & Renewing Members/Dues Blues/E-Mail List 4«This Month’s Phases of the Moon 4«Local Sunrise and Sunset Times for January 2018 4«Total Lunar Eclipse January 31st 5«“Last” Planetarium Show 5«Astronomy Party a Great Success 6«AstroBits – News from Around the TCAA 7«Nominations for TCAA Awards Sought 7«Observing Report from Tim Stone 8«TCAA Photo Gallery 12«NCRAL 2018 Registration Opens « 13 NCRAL 2018 Registration Form 14«Ocular Astronomy: What to Watch For… 15«Venus in the Western Evening Twilight During 2018 EDITOR’S CHOICE: IMAGE OF THE MONTH – NGC 7380 16«Nomination for TCAA Board of Directors, etc. This month’s image, NGC 7380, the Wizard Nebula, was taken 16«Duties of TCAA Board Members, Officers, Chairs by Jim Gibbs. Jim remarked, “This is a bright and irregular open 18«TCAA on Facebook and Twitter cluster with an emission and some reflection nebulae (dust) 19«Public Viewing Sessions for 2018 surrounding it; the interplay of stars, gas, and dust has created a 19«Sidewalk Astronomy for 2018 shape that appears to some like a fictional medieval sorcerer, hence 20«Make Plans Now to Attend TCAA Annual Meeting the name. 20«Education & Public Outreach for December 2017 “It is located in the constellation of Cepheus (The King). The star 20«HowTimeFlies cluster is 7,200 light years distant from Earth with a magnitude of 21«TCAA Treasurer’s Report as of December 30, 2017 7.2. The cluster contains 45 fainter stars with some obscured by the 21«Renewing Your TCAA Membership nebula. The nebular portions of this object are 1,800 light years away – much closer than the open cluster. The active star forming region spans about 100 light years, making it appear larger than the angular extent of the Moon. “It is extremely difficult to observe visually, requiring very dark skies and an O-III filter. It was discovered by Caroline Herschel in 1787. William Herschel included his sister's discovery in his catalog, and labelled it H VIII.77. It is also known as 142 in the 1959 Sharpless catalog (Sh2-142). Although the nebula may last only a few million years, some of the stars might outlive our Sun. “This object was acquired in St. Joseph, IL on 9/15/2017. It is a narrowband composite of Ha and OIII of 10 frames of 300 seconds each. The hardware used was an Astro-Tech RC 8” on an Atlas The TCAA is an affiliate of the Astronomical League. For Mount using a QHY9 CCD. Software used was CCDStack and more information about the TCAA, be certain to visit our ImagePlus for pre-processing and Photoshop for post-processing.” club website. Copyright © 2018 TCAA 1 All rights reserved. Vol. 43, No. 1 The OBSERVER of the Twin City Amateur Astronomers January 2018 PRESIDENT’S NOTE The OBSERVER It’s hard to believe is the monthly electronic newsletter of Twin 2017 is in the past, and City Amateur Astronomers, Inc., a registered 501(c)(3) non-profit educational we’re looking at a organization of amateur astronomers brand-new year: 2018! interested in studying astronomy and We’ve accomplished sharing their hobby with the public. much in the past year. Many of us were able to TCAA OFFICERS & CHAIRPERSONS observe the total solar President & Director/Property Manager eclipse, for some of us Tim Stone 309-531-2401 the first time. We [email protected] constructed a new Vice President & Director/Publicist observatory, completed Darren Erickson 309-336-0103 [email protected] observing programs, finished another season Treasurer & Director/Registered Agent of Public Viewing Dave Osenga 309-287-0789 [email protected] Sessions, and witnessed some firsts in our Secretary & Director/Historian/Editor Carl J. Wenning 309-830-4085 science. [email protected] We read the headlines as the announcement of the first simultaneous multi- Director & Observing Programs Coordinator spectral observations of a gravity wave event. It’s not an overstatement to say the Jim Gibbs 847-809-2232 profound historical nature of these observations are similar to the announcement [email protected] Hubble made in 1924 that the Andromeda Galaxy is too far away to be part of our Astronomical League Correspondent own. We truly live in historic times, and we have been privileged to be alive in Robert Finnigan 309-846-9533 2017. [email protected] Webmaster Diann and I very much enjoyed hosting the TCAA for a Christmas party this Lee Green 309-454-7349 year. We had 25 members in attendance, and everyone brought some great food. If [email protected] a party is to be judged by how long people linger, then this one was quite Lighting Education Coordinator successful. The party started at 6:30pm and the last guest left around 10:00PM! Lisa Wentzel unlisted Diann and I both remarked to each other how much we enjoyed the party, so thank number you to all who came. Let’s do it again next year. [email protected] Membership Coordinator In 2018, we will finish outfitting our new observatory, install a new 24” f/11 Tom Willmitch 309-846-2423 photographic instrument there, and conduct our regular staple of Public Viewing [email protected] Sessions. The schedule is in this newsletter and on tcaa.us. The first one is just Technology Coordinator around the corner, less than three months away! I hope you can make it to all of Justin Meyer 630-649-0611 them this year. They really are great, and a wonderful opportunity to spend time [email protected] with club members and the public alike. rd The OBSERVER Our annual banquet and meeting is coming up February 3 . Like last year, the Carl J. Wenning, Editor in Chief food will be great (we’re using the same caterer again this year), we’ll elect the Submission deadline end of each month. incoming Board, have our annual business meeting, have a drawing for a few very nice door prizes, and hear from at least one speaker. I really hope everyone in the MEMBERSHIP DUES club can come. Individual Adult/Family $40 With the bitter cold weather closing in, it’s time to take our breather as we get Full-time Student/Senior $25 ready for the astronomically busy warmer months. So, stay safe and warm, and I (Senior status equals ages 60+) hope to see you at the banquet in February. To join, send your name, contact info and Clear Skies! dues payment to Dave Osenga, TCAA Tim Stone, President Treasurer, 1109 N. Linden St., Normal, IL 61761-1471. Copyright © 2018 TCAA 2 All rights reserved. Vol. 43, No. 1 The OBSERVER of the Twin City Amateur Astronomers January 2018 ALENDAR OF ELESTIAL VENTS ANUARY EW ENEWING EMBERS C C E – J 2018 N & R M The following individuals have paid dues for new or MORNING PLANETS (1/15): Mercury, Mars, Jupiter, & Saturn renewed memberships as of December 31, 2017. (Others EVENING PLANETS (1/15): Venus, Uranus, & Neptune who paid after that date will appear in the February 2018 issue of The OBSERVER.) 01 Full Moon – The Moon will rise at sunset and set at sunrise. This full moon was known by early Native American tribes as the as the Full Wolf Moon because Dave Peters this was the time of year when hungry wolf packs howled outside their camps. This moon has also been known as the Old Moon and the Moon After Yule. This is also the first of two supermoons for 2018. The Moon will be at its DUES BLUES closest approach to the Earth and may look slightly larger If you have received a “your dues are due” statement and brighter than usual. along with the email that brought you this issue of The 02 Perihelion – Earth is closest to the Sun at 11:34PM CST OBSERVER, please remit your dues to Mr. Dave Osenga, with a distance of 91,401,983 miles. We will be farthest TCAA Treasurer, 1109 N. Linden St., Normal, IL 61761- from the sun in 2018 on July 6 at 94,507,803 miles. 1471. Dues are currently $25 for seniors (60 years of age 03-04 Quadrantids Meteor Shower – The Quadrantids is an and over) and $40 regular. above average shower, with up to 40 meteors per hour at its peak. It is thought to be produced by dust grains SUBSCRIBING TO OUR E-MAIL LIST left behind by an extinct comet known as 2003 EH1, By subscribing to a group’s mailing list, you will receive which was discovered in 2003. The shower runs annually rd email messages from the group so you won’t have access from January 1-5. It peaks this year on the night of the 3 th to the group’s web features (like photos, files, links, polls, and morning of the 4 . Unfortunately, the nearly full calendar, etc.) unless members activate it later. The club moon will block out all but the brightest meteors. has an open email listserv. It is known as the TCAA 08 Last Quarter Moon – The waning, half-lit moon rises Yahoogroups listserv. It will be used to share around midnight and sets around midday. announcements and reminders about astronomical and club events. To join this main listserv, you must do the 16 New Moon – Sets at sunset and rises at sunrise.