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The Skyscraper 2009 04.Indd The SkyscraperVol. 36 No. 3 March 2009 Amateur Astronomical Society Of Rhode Island · 47 Peeptoad Road North Scituate, RI 02857 · www.theSkyscrapers.org Seagrave Memorial March Meeting Observatory is open with Jim Zebrowski to the public Friday, March 6 at North Scituate Community Center weather permitting Meteorites : Thunderstones from Space! How Space Rocks Help Unravel the Mysteries of Our Solar System... I am the President of my local Astronomy Engineering and Mathematics (STEM). In the Club, Aldrich Astronomical Society, Inc. and past, I have made some arrangements with participate in many public outreach events local school teachers to bring programs in conjunction with my fellow club members into schools and to work with science and Saturdays 8pm - 10pm through the Aldrich Community Outreach Astronomy clubs during after school events. Please note that the observatory may be inaccessible for several weeks Program (ACOP). My participation in our We have actively done events with multimedia following a winter storm. outreach programs includes volunteering including slide show presentations, videos See www.theSkyscrapers.org at several organizations like the Arunah Hill from NASA/JPL and the NASA select channel for updates. Natural Science Center in Cummington, and when the weather permits, we have given North Scituate Massachusetts, the EcoTarium in Worcester, many night sky viewing sessions with the Community Center the IGNITE Organization and organizing support of Aldrich Astronomical Society, Inc. All of our winter meetings (Dec-Mar) are educational enrichment programs for groups member telescopes. Our Society also has its held at the Community Center. From like the Boy Scouts and Girl Scouts, the Big own selection of PowerPoint slide Programs Seagrave Observatory, the Community Brothers and Big Sisters and for the local Boys for use in after school programs that cover Center is the first building on the right and Girls Clubs. I also routinely sponsor teacher topics from constellations, to star hopping, to side going south on Rt. 116 after the intersection of Rt. 6 Bypass (also Rt. 101) workshops to bring materials and resources into comets, to Returning to the Moon and Women and Rt. 116. Parking is across the street. after school activities that can engage students in Astronomy. to become interested in Science, Technology, March 2009 From the president March madness is here for any position on the ballot. Voting on the 4 First Quarter Moon once again. I don’t mean the ballot will occur at the April meeting. You will sweet 16 as in college basket- receive a ballot via e-mail or snail mail in the 8 Saturn at opposition ball. With March approaching newsletter and ballots will be available at the we “Skyscrapers” need to April meeting. Before the end of the business 10 Full Moon analyze our past year and meeting we will know who our newly elected make decisions on where we are going in the officers are for the coming year. The newly 18 Last Quarter Moon next year. At the March meeting I will propose elected officers will assume their position at a new budget for the coming year based on the end of the May meeting. 20 Vernal Equinox input from key members of Skyscrapers. Every March is also that rare opportunity to member will have an opportunity to add to participate in the annual Messier Marathon. 26 New Moon or delete items in the budget at the meeting. The Messier Marathon is based on a list of 110 Venus at inferior If you have an opinion this will be the time objects “discovered” or compiled by Charles 27 conjunction to make it known. Voting on the budget will Messier in the 1700’s. While Messier worked occur at the April meeting. hard to discover comets, he compiled this list Mercury at superior Also at the March meeting the nomi- so that he could avoid mistaking the objects 31 conjunction nating committee will introduce their slate for new comets. Today, the Messier Objects of officers for the coming year. The slate of form an introduction to deep-sky observing officers proposed is just the start of the ballot. for countless amateur astronomers. Any member can nominate any other member Due to a fluke in the distribution of the THE SKYSCRAPER • MARCH 2009 Messier Objects across the sky, it is possible to view all objects on the list in a single night during early spring (usually March or April). Amateur astronomers challenge their abilities, or build their observing skills, by trying to locate all the objects on the list. The 2009 Messier Marathon will perhaps be one of the last occasions to combine a nine-planet marathon with the Messier event, but Neptune will be extremely difficult if at all possible, Uranus also difficult in the morning. Some 14 comets brighter than about mag 14.0 may also be visible Whether you are chasing all 110 Messier objects, the nine planets, the 14 comets, or just inter- ested in a night of observing come join us at Ninigret Park in Charlestown. Knowing the weather in Rhode Island we will first attempt the marathon on Saturday March 21st, with a rain date of Saturday March 28th. Dust off those telescopes and come join us. Hope to see you there. The Skyscraper is published monthly by Skyscrapers, Inc. Meetings are usually held Glenn Jackson on the first Friday of the month. Public President observing is usually held every Saturday night at Seagrave Memorial Observatory, weather permitting. President Glenn Jackson [email protected] 1st Vice President Steve Hubbard [email protected] 2nd Vice President Kathy Siok [email protected] Secretary Nichole Mechnig [email protected] Treasurer Jim Crawford [email protected] Venus, February 9 at 18:20, taken with a C11-SCT Saturn with nearly edge-on rings. Photo by John Members at Large and a 2x Barlow with an Orion Starshoot Solar Kocur. Joe Sarandrea [email protected] System Camera. This is a stack of 6-1 second ex- Roger Forsythe [email protected] posures and was processed with Maxim DL and Trustees Adobe Photoshop. Photo by Tom Thibault. Tracey Haley [email protected] Steve Siok Jim Brenek [email protected] Star Party Coordinator Bob Forgiel [email protected] Librarian Tom Barbish [email protected] Historian Dave Huestis [email protected] Editor Jim Hendrickson [email protected] Directions Directions to Seagrave Memorial Observa- tory are located on the back page of this newsletter. Submissions Submissions to The Skyscraper are always welcome. Please submit items for the newsletter by March 15 to Jim Hendrickson, 1 Sunflower Circle, North Providence, RI 02911 or email to [email protected]. Email subscriptions To receive The Skyscraper by email, send email with your name and address to From the Archives: Eclipse site in Natarn, Sweden, for the June 30, 1954 total solar eclipse. [email protected]. Note that you will no longer receive the newsletter by postal They were once again clouded out. From left to right: Margaret Smiley, Don Reed, Connie Reed. From the mail. 2 The Moon It’s Just a Phase it’s Going Though Dave Huestis As I mentioned in my January other is an animation (http://www. column, the United Nations General noao.edu/education/phases/phases_ Assembly has designated 2009 as demo.html#ani). I think they will help the International Year of Astronomy you to visualize the lunar phase cycle. (IYA2009). You will hear of many We’ll start with the New Moon. worldwide initiatives, as well as local When the Moon is between the Earth ones, designed to focus attention on and the Sun, but passes above or below astronomy — 400 hundred years after the solar disk, it cannot be seen. The Galileo first trained his telescope on the side facing the earth is not lit, but the heavens. back-side or far-side of the Moon is Even the most casual sky observer therefore fully illuminated. (You may will notice the changing phases of the know that our desolate neighbor has Moon. However, the reason for the become locked into an orbit whereas Moon’s phases during a 29-day period we always see only one side of it. The seems to be almost all but forgotten. Moon’s rotational period is equal to When I’ve asked Boy and Girl Scout its period of revolution. And you may groups, adults of all ages, including at one time have heard the side we do college students, I’ve gotten some real not see referred to as the “dark side” imaginative answers. So let me get back of the Moon. Unfortunately that is a to some basic astronomy principles and poor term to use. The “dark side” is illuminate you about lunar phases. the far side of the Moon that we never The Sun’s path through the sky is see from the Earth. However, it does called the ecliptic, and it also repre- receive as much sunlight as the near sents the plane of our solar system. side.) You’ll find that the planets very closely Only as the Moon moves away from follow this imaginary path as well. The the vicinity of the Sun and appears in Moon, however, moves above, below the western sky after sunset will you and across the ecliptic in its orbit about see a slender lunar crescent. The Sun, the Earth. The Moon crosses the ecliptic Earth, and Moon (SEM) angle is small, twice each lunar month. Occasionally and so is the illuminated area we see. when the Sun, Earth and Moon line up (Again, keep in mind that one-half of when the Moon crosses the ecliptic we the Moon is fully illuminated, but due observe lunar and solar eclipses.
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