FOTO Imaging - Cincinnati Observatory
Transcription
FOTO Imaging - Cincinnati Observatory
OBSERVATORY NEWS March 2015 513-321-5186 Published by the Friends of the Observatory (FOTO) Volume 26 No. 3 www.cincinnatiobservatory.org Bill Cartwright, editor COMING UP AT THE OBSERVATORY.... Not a UFO Feb 28 7p *Constellations of Season Mar 4 7p Astronomy Thursday Mar 5 7p Astronomy Friday Mar 6 7p FOTOKids Mar 6 7p Late Night Date Night Mar 7 10:30p History Tours Mar 8 1-4p FOTO Movie Night Mar 8 7p FOTO Meeting Mar 9 7:30p Astronomy Thursday Mar 12 7p Astronomy Friday Mar 13 7p Pi Day with Pies Mar 14 8p Stonelick Stargaze Mar 14 dusk A2Z Astro Class Mar 15 7p Spring Constellations Mar 17 8p Astro 2.0 Class (2 night) Mar 18 & 25 FOTO planning meeting Mar 19 7p Astronomy Thursday Mar 19 7p Astronomy Friday Mar 20 7p Stonelick Stargaze Mar 21 dusk History Tours Mar 22 1-4p Astronomy Thursday Mar 26 7p Astronomy Friday Mar 27 7p Save-These-Dates! Partial Lunar Eclipse Hubble’s Greatest Hits First Light Night *Constellations th Hubble’s 25 Apr 4 dawn Apr 7 8p Apr 12 7p Apr 15 8p Apr 25 8p * UC Communiversity Class THE WORD By Michelle Lierl Gainey Hello Friends! As I write this, we have about 8 inches of snow on the ground and it is COLD out. On days like this it is hard to believe, but spring is just around the corner. By later this month, hopefully conditions will be much more star-gazer friendly – just in time for the Messier Marathon! What is the Messier Marathon, you ask? No, it is not a foot race. See my article later in this newsletter for more information about the Messier catalogue, which lists some of the most beautiful deepsky objects such as galaxies, nebulae and star clusters. If you live in the city or a light-polluted suburb, consider coming out to Stonelick Lake Park for one of our stargazes (on March 14 and 21), where you will have ample opportunity to observe the Messier and other deep sky objects, as well as Jupiter (and Saturn, if you stay late enough!). Bring your own telescope, your binoculars, or just yourself, as there are always plenty of amateur astronomers there who are happy to share views through their telescopes with you. FOTO has been working on developing a system for transmitting images from a telescope to our large screen TV. This will accommodate visitors who are unable to climb the steps to the dome, and also provide an additional viewing station during large public events. We have extended the COC wireless network to cover the grounds around the buildings. Thanks to the efforts of members Aaron Eiben, Chris Kean and others, we now have a system that works beautifully for transmitting images of the Moon to the TV, using a cell phone camera with a telescope adapter and wireless transmission to the TV. We are working on testing other devices (better cell phone cameras, web cams) that will give an equally good view of Jupiter and other planets, and even deep space objects, in real time (although some processing will be needed to bring out detail in deep space objects). If you have expertise in this area, or 1 have an astronomical imaging web cam or other equipment you would like to donate to this cause, please contact me at [email protected]. Remember that Dave Bosse’s fun and informative A2Z Astronomy Classes are held on the 3rd Sunday of every month at 7 PM (this month, it is on March 15th). These classes are free for members. Mark your calendar! Another benefit of FOTO membership is the option to borrow a COC telescope for a month. If you are just learning how to use a telescope, please take advantage of the offer from some of our experienced astronomers to coach you on how to use and care for the telescope, and how to use a star chart to find interesting objects in the night sky. Dave Bosse, Scott Gainey and Chuck Strubbe have offered to meet with members one on one for this training. You can get their contact information from the Observatory office. You can also bring your telescope to Stonelick Lake Park for one of our stargazes, where you can receive mentoring and enjoy sharing your experiences with other astronomers. Also, remember that FOTO members can attend the Astro Thursday and Friday programs (held almost every week) free of charge. You should call the office to register, though, as there is an attendance limit for these programs. We look forward to seeing you at the FOTO monthly meeting on Monday, March 9 at 7:30 PM. And thank you for all you do to keep the Cincinnati Observatory Center thriving and serving our community. A2Z+ Astronomy March: Err of Air Sunday, March 15 7-8 pm History of the Observatory March 8 & 22 Drop in anytime between 1-4 pm By Dave Bosse OK, in January it was all about the human eye. In February it was all about telescope optics. What comes next on our trip to the Celestial Sphere? Well… we have to get past the sky. What? A more difficult task than you might imagine. The Earth; its motion; its atmosphere; even your location and elevation all conspire to twist the truth of heavens into something like the truth. The sky is not really telling us lies, but it certainly is not telling us the whole truth. This month’s A2Z+ installment will cover those ever so slight nuances that make acquiring precision measurements a very complex issue. In March we will meet on Sunday the 15th at the usual time of 7:00 PM. The A2Z+ Astronomy classes are held the third Sunday of each month at 7:00 pm in the West Wing of the Herget Building. The group will meet for about an hour or so and attendance is free to any COC member. The only pre-requisite is the desire to learn. Did You Know…. If our Sun became a black hole, it would shrink from a diameter of 865,000 miles to less than four miles! Cleveland Abbe, the Cincinnati Observatory and the birth of the Weather Bureau. $5 per person suggested donation. Free for members. Group tours by appointment. Intro to Astronomy A Short-Course at the Observatory 7-9 pm, Tuesday, March 3 Resolve to learn more astronomy in 2015. This introductory astronomy course is perfect for beginners who want to know more about observing the night sky. Led by astronomer and cohost of PBS’ Star Gazer, Dean Regas, this course will show you the stars. You will learn how to identify stars, constellations, and planets as well as viewing tips for the Moon. Each night includes viewing through the historic telescopes. Cost: $30, but just $25 for Observatory members. To register call 513-321-5186. 2 Welcome New & Renewing Members! Fred and Judy Bay Douwe and Caroline Bergsma Marian and Richard Billings Threasa Wesley and Geoffrey Bowling Gordon Brown Robert Heslar and Kim Camp Claudia Candito Tiffany and Jeff Clayton Lesta Cooper-Freytag Stacy and Scott Crawford Jean Davison Catherine and Bob DeFoor Fred Sanborn and Janet Dieman Evans Mirageas and Thomas Dreeze Jean Durbin Carl and Joanne Eastwood Joan Erhardt Mel and Connie Gertz Michael Getz Philip Griggs Donna Wirth and Bob Groszer Dr. Jack and Mrs. Beryl Hazen John Hill Noelle and David Houben Jeff and Kathleen Howe Scott Huber Michael Kreate Paul Franz and Shari Loo Craig Deck and Laura Lozano David and Linda McBride Randy and Mary McKnight Joseph and Georgiann Meale John Merrick Cindy Mincks LeAnne Montgomery Rino Munda Frank and Nancy Palmisano Valydon Philip Poonoosamy Dennis and Rhonda Ransdell Dr. Wes Ryle Mary and Jay Sallee Scott and Jessi Schwarz Patti Smith Jim Sweeney Suzanne and Tom Terwilliger Matt and Homana Titus Chris and Nancy Virgulak Tyler N. Webb Marc & Nadine Whitsett Lawrence Yates Greater Cincinnati STEM Collaborative The Greater Cincinnati STEM Collaborative (GCSC) impacts STEM (Science, Technology, Engineering, and Mathematics) learning and career readiness through active, engaged, datadriven partnerships between business, educational (Cincinnati Observatory), and community partners. Our vision is that the Greater Cincinnati, tri-state region has the most robust STEM talent pipeline in the country which is also representative and inclusive of the region's population. www.greatercincystem.org FOTO's March Meeting By Dave McBride On March 9th the program committee will welcome Mark Plano Clark as our speaker who will bring his topic "The Great Debate: Astronomy in the Early 20th Century." One of Mark’s predecessors at Doane College was astronomer Julia Hawkes who was one of the first women to obtain a Ph.D. in astronomy in the U.S. Her dissertation was titled, “Photographic Determination of the Positions of Stars and Nebulous Knots in the Region of the Great Nebula of Andromeda” at the University of Michigan in Ann Arbor and was published in 1923. Her research measured star positions on photographic plates taken sixteen years apart to look for “evidence of systematic movement which might be attributed to the relationships of these stars to the nebular forms.” The dissertation was published about three years after the “Great Debate” between Heber Curtis and Harlow Shapely on the size of the universe. This talk will be about the connection of the debate to the work done by Prof. Hawkes in an era when the size of the universe “grew” in truly epic proportions. And some Astronomy Wisdom: “The Sun, with all the planets revolving around it, and depending on it, can still ripen a bunch of grapes as though it had nothing else in the Universe to do.” – Galileo Galilei 3 170 Years of Cincinnati Astronomy 7 pm, Sunday, April 12 First Light is a significant event for astronomers, being the first time they view through their new telescope. For our founder, Ormsby MacKnight Mitchel, that was April 14, 1845. Thanks to the efforts of astronomers, historians, science educators and preservationists, including the Cincinnati Preservation Association (CPA), every year thousands of Observatory visitors still get to experience their own first light through the same instrument. Keynote speaker: Paul Muller, Executive Director of the Cincinnati Preservation Association. Scientific Innovations in Cincinnati: The Historic Buildings That Housed Them Cincinnati was a hub of scientific innovation in the nineteen and early twentieth century. From Daniel Drake’s Medical College of Ohio and Children’s Hospital, to the Cincinnati Observatory, Cincinnatians were leading the nation by creating new institutions that advanced science and the welfare of the public. The historic buildings which supported these institutions are a record that teaches their history like no other method can duplicate. Some still exist, some are lost but all of them have interesting stories which can enrich our experience and understanding of the history and built environment of Cincinnati. Tours of this National Historic Landmark follow. Stargazing weather permitting. Cost: $10 per person, $5 for Observatory & CPA members. Reservations Required: Call 513321-5186 or sign up online. Stargazing at Stonelick State Park Saturdays – March 14 & 21st Spring Skies Bring Galaxies Need help with your telescope? Bring it for expert tips setting it up and exploring the night sky. Stargazing begins at dusk. Open to all ages. Stargazes are weather permitting. “Friend” the Stonelick Lake Stargazers Facebook page for weather and schedule updates. We Love Donors! By Anna Hehman Our Valentine’s Night was a huge success – the event was sold out! Over 70 people found their way to the Observatory for this annual ticketed special event. Most of our visitors were there for the first time, and this year, we added room for 32 additional attendees who participated in our Valentine’s Late Night Date Night. In planning for this year’s ongoing efforts to raise money and awareness, we have finalized a corporate giving proposal that will give companies of all sizes the opportunity to partner with the Observatory through an annual investment, tailored to their budget, that rewards them with interactive and creative perks in addition to recognition throughout the year. We have been working through our lists of individual and family donors over the years, hoping to engage everyone in some facet of the Observatory. We are looking for ideas on how we can better connect to you, our donors, and offer opportunities that will increase financial gifts as well as recruit new donors. To make an individual or family gift to the Observatory, or if you can direct us to a potential corporate or foundation donor, please contact the Observatory Development Director Anna Hehman at [email protected] or (513) 321-5186. 4 Magnificent Messiers By Michelle Gainey The Messier catalogue is a wonderful resource for amateur star gazers. The Messier objects are relatively bright deep-space objects, visible in amateur telescopes, which were catalogued by Charles Messier in 1771. Messier was a French astronomer who was searching for comets. When he found a “fuzzy” deep sky object that had the appearance of a potential comet, he would make sequential observations to determine whether it was moving against the background stars (as a comet would). If the object did not move like a comet, Messier listed it in his catalogue, to avoid it being mistaken for a comet in the future. Thus, he identified many of the most beautiful deep sky objects that are visible in the Northern Hemisphere. M5 Globular Cluster All of these can be seen with amateur telescopes, and many are also visible with binoculars. There are 110 objects listed in the Messier catalogue. Many of these objects are visible at any time of the year, but during the month of March it is possible to find all of the Messier objects during a single night, if you start at dusk and keep at it until dawn. This is called the Messier Marathon. It is a fun thing to try, if you are already familiar with many of these deep sky objects and just want to see whether you can plan your viewing in order to catch them all in one night. and eyepiece magnification you are using, and make a sketch of what you see in the eyepiece. Even if you are not much of an artist, sketching the object forces you to observe it more carefully and to make note of nuances that you might otherwise miss. It also helps you remember what you saw. Later, you might observe the same object again with a different telescope or eyepiece, or from a different viewing location, and it will be interesting to compare what you can see under those different conditions. M31 Andromeda galaxy The general strategy is to start with the western-most objects, and work your way eastward. There are websites that give advice on this, for example: http://members.shaw.ca/rlmcni sh/darksky/messierplanner.htm However, if you have not seen many of these deep sky objects before, it is more rewarding to take time to carefully observe and enjoy each one. Use a star chart to locate each object (any decent star chart will show the Messier objects; they are listed as “M1” through M110”). This is a good chance to hone your ability to find deep sky objects, using the bright stars you can see without a telescope to help you locate the dimmer deep-sky objects. I suggest you start a Messier viewing log (this is also a great thing to do with NGC objects and other objects that you enjoy viewing). For each object you find, make a note of the date, observing conditions (Moon? Clouds? Haze? Light pollution?), the type of telescope M57 Ring Nebula Here is a website that shows a black and white image of each of the Messier objects, along with brief descriptions: http://www.seasky.org/astrono my/astronomy-messier.html . I also recommend a wonderful Messier observing manual, “Messier Objects, A Beginner’s Guide” by Kathy Machin and Sue Wheatley. This handy little booklet gives tips on how to find each object, interesting information about the object, and is organized by the seasons when the objects are in the pre-midnight sky. It is available for $8 through the Astronomical League website on the next page. 5 https://www.astroleague.org/st ore/index.php?main_page=prod uct_info&cPath=1&products_id= 6&zenid=3vbd86crgob1i6ahbr2o cshqt2. The Astronomical League also has a Messier Program, in which you can be awarded a Messier Program Certificate and pin for finding all the Messier objects on your own (i.e., not using a go-to telescope). There is a Binocular Messier Observing Program, also. M42 Orion Nebula So, get outside and give it a try! Marathon enthusiasts notwithstanding, there is really no rush. These objects will be there for the rest of your life. Even if you find only one Messier object per night, you will enjoy the experience, learn something about the object, and get good practice in using a star chart and finding lovely deep sky objects. Amazon “Smiles” on the Observatory Craig’s Corner By Craig Niemi, Executive Director Last month we talked a bit about the Cincinnati Preservations Association (CPA) and some of the other folks who are responsible for the stewardship of the Observatory. We’re glad to announce that for the First Light Night celebration on April 12th, Paul Muller, Executive Director of CPA, will be our keynote speaker. Be sure to check out the article in this newsletter and go to the web calendar to sign up online. Valentine’s Night and the Valentine’s Late Night events were both great successes. Virtually all of the 100 guests that night were new to the Observatory! Once again our staff and volunteers exceeded our visitor’s expectations. Our thanks to Mt. Lookout Joe, Edible Arrangements in Newport and Robin Woods Flowers for their generous support! Craig Monthly FOTO Planning Meeting By Michelle Gainey Amazon will donate 0.5% of the price of your eligible purchases to Cincinnati Observatory Center whenever you shop on AmazonSmile. Next time you shop at Amazon simply start at http://smile.amazon.com/ch/3 1-1665954 On February 7th a huge magnetic filament was observed hanging over the surface of the sun. This filament was a string-like feature of plasma more than 400,000 km long and suspended above the surface of the sun by magnetic forces. Then, the filament was so long it would have easily reached from the Earth to the Moon. In the days following, the filament continued to grow in length and it became the 2nd largest object in the solar system. Only the sun itself was bigger. By February 14th the filament had rotated across the solar disk and part of it formed a prominence on the solar limb. The picture below shows the feature in profile as well as a top view. The next FOTO Planning Meeting is scheduled for Thursday, March 19 at 7 pm at the Observatory. The planning meetings are open to all FOTO members. We encourage your participation in the discussion of future FOTO activities. H-alpha photo by Steve Rismiller By February 20th, the filament had rotated out of sight but SOHO caught a large CME radiating away from the sun. I believe that was the end of the filament as it became unstable, fell back to the surface, exploded and hurled itself out into space. 6 Late Night Date Nights Saturday, March 7 10:30 pm to Midnight By Dean Regas The Heart Nebula After your night out dining and dancing, top off your date night with a stop at the Cincinnati Observatory. The Observatory is one of the most romantic places in town – especially after hours. You'll get to use the oldest big telescope in the U.S. to view astronomical objects and snuggle under the stars (weather permitting). For adults only. If the weather does not permit viewing, we’ll have fun showing you around the universe and behind the scenes at the Observatory. Light snacks and refreshments will be available. Admission is $20 per person. To make reservations sign up online from the Calendar Listing or call 513-321-5186. Did You Know…. The most distant object ever observed was a gamma-ray burst from a dying star 13 billion light years away. Audio System in Herget West Wing By John Blasing With the recent acquisition of the new big-screen monitor, it seemed desirable to overhaul the audio system in the Herget west wing meeting room - but the subsequent failure of the audio amplifier quite forced the issue! I undertook the task about two months ago, and I'm happy to report that the new system is installed and fully functional. In addition to a new 40-watt-perside amplifier, the system now includes a CD player, an AM/FM tuner, and a wireless microphone; in fact, the only pieces remaining of the old system are the Bose loudspeakers we're accustomed to seeing atop the cabinets in front of the room. The new system provides greater functionality than we had previously, compliments the new big-screen monitor nicely…and 40 watts per side is more than enough to fill (or shall I say clear) the room. I took some care to connect and label the components so as to make operating the system as straightforward as possible. The system is capable of playing audio from the following sources: - The Big Video Monitor - A Computer or Other External Source - AM or FM Radio - CD - MP3 files on a Flash Drive There is also provision to record audio from the amplifier into a personal device or other external recorder. One nifty feature of the new amplifier is that it allows voice-over-music mixing, so that presenters may have any of the above sources playing in the background as they speak over the microphone. And to think I found the wireless microphone languishing unused in a box! The system is installed in the glass-door cabinet at the front of the west wing meeting room, on the right side of the room. Posted on the inside of the left door of the cabinet is a set of step-by-step instruction for setting the system up to play from each of the above-noted sources. I encourage anyone interested to acquaint themselves with the new system, especially those who might find themselves covering an event in the west wing that requires audio. Feel free to ask me at an upcoming meeting if you would like an informal one-on-one familiarization session. New Star Gazers Star Gazers airs locally on channels 14 and 48 and you can watch each month’s episodes on our website: http://www.cincinnatiobservato ry.org/stargazer.html “Keep Looking Up!” 7 Astro Evenings at the Observatory Thursdays, March 5, 12, 19, 26 Fridays, March 6, 13, 20, 27 8-9:30 pm Free for Observatory members! In awe with the beauty of the night sky? Have questions about the Universe? This is where you can get the answers. Astronomy Evenings include short presentations on a wide variety of topics and plenty of time for your astro-questions. Tour of the Cincinnati Observatory, which as a National Historic Landmark played an important role in the history of Cincinnati and our nation. Once dark, we will view the Moon, planets and deep space treasures through the historic 1845 telescope. (Program is held rain or shine; telescope viewing if clear skies). The topics and the night sky change week-to-week/month-tomonth so you can visit often to hear and see something new Free for Observatory members! For the latest schedule see the web calendar then sign up online. Did You Know….. Approximately every 50 years a supernova explodes in our galaxy. A Bug’s Life … In Space By Fred N. Bowman As astronauts come and go from the International Space Station (ISS) they experience adjustment periods to and from the microgravity environment. The lack of gravity has an effect on the human body, from fluid distribution to the long term loss of calcium in their bones. These effects are not confined just to the humans. Insects take several days to adjust to microgravity. Insects don’t have bones; however, they do have wings. As they become adjusted to micro-gravity they learn to push off with their legs using their wings only to change their orientation and direction. On Earth, insects use their wings to overcome the force of gravity to fly; in space their wings are needed only to move their mass when they are not attached to a surface. Newton’s third law of motion: for every action, there is an equal and opposite reaction. Insects, because of their short life cycles, can be studied over a large number of generations in a short period of time. Two effects of micro-gravity are: The males tend to live much shorter than females, and two, it takes longer for their eggs to hatch. Some have theorized that the males use too much energy pursuing a mate and the lack of gravity makes the larvae too weak to break free of their shells. By studying insects over many generations allows the astronauts to monitor any evolutionary changes caused by life in space. Do insects need wings in space and how does the wing size change from one generation to the next? The answers to these and other questions are being pursued by the astronauts onboard the ISS. FOTO Kids and Teens By Aashi Mital What does it take to enjoy astronomy? Just your sense of adventure, curiosity and love for the stars! Join us for another exciting journey at our next FOTO Kids meeting on March 6th at 7 p.m. in the Herget Building. Remember to dress for the weather! If you have any questions, please don’t hesitate to email Aashi Mital at [email protected] or Aaron Eiben at [email protected] . Until then, keep looking up! Topics in Astronomy March 17, The Spring Sky April 7, Hubble’s Greatest Hits May 12, Astrology Exposed By Dean Regas Led by astronomer and co-host of PBS’ Star Gazer, Dean Regas, these classes will show you the stars. Each night includes viewing through the historic telescopes (weather permitting). You can join us for an individual class or the entire series. $15 per class. Observatory members can take all 4 for $50. 8 March Movie Night By Aashi Mital Our Thanks to Bartlett Tree! Why Go to Pluto? Planetary exploration is a historic endeavor and a major focus of NASA. New Horizons was designed to help us understand worlds at the edge of our solar system by making the first reconnaissance of Pluto and Charon - a "double planet" and the last planet in our solar system to be visited by spacecraft. As a part of an extended mission, New Horizons will visit objects in the Kuiper Belt region beyond Neptune. We will have popcorn to munch on, but feel free to bring in your own drinks and snacks for the event. If you have any questions, please email Aashi Mital at [email protected]. Did You Know…. There is one known double pulsar system in our galaxy which warps the fabric of space. 8 pm, Saturday, March 14 By Dean Regas We’re keeping the party going with another movie night in the Herget Building on Sunday, March 8th at 7 pm. Join us for New Horizons: Passport to Pluto and Beyond! Pi Day at the Observatory 3.141592653589793238462643383 27950288419 Our thanks to Bartlett Tree Experts for generously donating their services in removing the dead Norway Spruce from behind the Herget Building! By removing the tree they help to protect this Samuel Hannaford designed building from possible damage, ensure the safety of our thousands of visitors, and help maintain our park-like green space. In-kind donations like this are great way for the Observatory to stretch its budget so we can put more resources into member and community programs. Join us on 3 14 15 as we celebrate the most famous of all numbers. Pi has been calculated to over one trillion digits beyond its decimal point. As an irrational and transcendental number, it will continue infinitely without repetition or pattern. Only 39 digits past the decimal are needed to accurately calculate the spherical volume of our entire universe, but because of Pi’s infinite & patternless nature, it’s a fun challenge to memorize, and to computationally calculate more and more digits. Museums and Historic Sites of Greater Cincinnati FOTO Board Members (Terms expire Oct. 2015, except as noted) President: Michelle Gainey VP: Aashi Mital Secretary: George Ostrum Treasurer: Al Scheide FOTO Rep: Frank Huss (exp. Oct 2016) Trustees John Blasing Aaron Eiben Dave Bosse (exp. Oct 2016) Chris Kean (exp. Oct 2016) MHS is comprised of over 30 participating sites across Greater Cincinnati. Each site offers a unique perspective on local history and culture through public programs, exhibits, lectures, and tours. www.historicgreatercincinnati.org Did You Know…. At 50-100 million Kelvins Hydrogen fuses into Helium and a star is born. 9 The King of the Planets Returns By Aashi Mital With “Jupiter Season” kicking off at the Observatory, we are proud to announce that new exhibit on the King of the Planets is open to the public until midApril. Want to know more about the Galilean Moons or the Great Red Spot? Perhaps discovering more about the Observatory’s past in connection with the gas giant is what you’re after. Whatever the intrigue, stop by and visit. And don’t forget that this would make for an excellent resource! Between incorporating it into our programming to being an added intrigue for walk-ins and tour groups or even if it’s just learning more about something of personal interest, it’s sure to turn a few heads. Did You Know…. In February 2015 NASA launched a new satellite to study water, not in oceans or lakes, but in the soil beneath our feet. This often overlooked repository of water can have big effects on weather, climate, drought and agriculture. What Is the Value of a Volunteer to an Organization Such as The Observatory? By Jenny O'Donnell We all have a finite amount of time and an infinite amount of demands. We could spend our time on work, family, homeowner obligations, a second job, fitness, community based needs, education...you name it. But instead, each and every one of us, give some sliver of time to the organization because we believe that the "O" is worthy of our time and attention. We might be doing it to "preserve the birthplace of astronomy" or to have access to some really cool scientific stuff, or meet some really nerdy folks, very similar to ourselves! Or we might contribute out of a sense of obligation, or because it is our field of expertise or passion, or maybe we really know that if we are known as a volunteer we will get a little more access to someone or something that we value. Regardless, while all of us could just take our toys and stare into the galaxy by ourselves, we opt to give a little time to the O. And that time is extremely valuable. The accumulated volunteer hours allow us to operate another program, catalog another antique book, introduce a family who had never been in before, and stretch that donated dollar a little further than anyone ever thought we could. It also gives some really overworked staffer or key volunteer a moment to catch their breath, take a night off, or pause for a moment to think up some new task, exhibit or idea for raising another dollar. From answering the phones to setting up the folding chairs to rebuilding the dome, every volunteer hour has brought us right where we are now. These hours are an amazing asset that makes the Observatory beam. To volunteer simply email [email protected] Thanks! 5142 is the Kroger Community Rewards Number for the Observatory After a quick and easy sign up online, every time you swipe your Kroger Plus Card a donation goes to support the Observatory’s mission. No cost to you; no loss of fuel points. https://www.kroger.com/accou nt/create Did You Know…. Stars stay Red Giants from a few thousand to a million years. 10 Not a UFO At the Observatory Saturday, February 28, 7-9 pm Maybe you’ve seen them in the night sky. These two unbelievably bright lights – one in the east and one in the west. You wonder, what are they? Planes? UFOs? They’re NOT UFOs. They’re much, much cooler. They are, in reality, Venus and Jupiter, the brightest star-like objects in the sky. They, along with the twinkly stars Sirius and Capella are the most reported UFOs to the Cincinnati Observatory. Don’t be fooled. We’ll tell you how to IDENTIFY these objects in the nighttime sky, and view them through the telescopes (weather permitting). Plus we’ll share false UFO reports we’ve received over the years. Great for all ages. Admission is $7 per person. No reservations required. For more information call 513-321-5186. To learn about the seasons on the planets in our Solar System, go to this website to watch a video. https://mail.aol.com/webmailstd/enus/DisplayMessage?ws_p opup=true&ws_suite=true An Edge-On Close Encounter with Jupiter Every 13 months, Earth and Jupiter have a close encounter. Astronomers call it an "opposition" because Jupiter is opposite the Sun in the sky. Our solar system’s largest gas planet rises in the east at sunset, and soars overhead at midnight, shining brighter than any star in the night sky. This year's opposition of Jupiter occurs on Feb. 6th. It isn't an ordinary close encounter with Earth (approximately 640 million kilometers), but in Feb. 2015, Jupiter is edge on to the Sun. Efrain Morales Rivera of Aquadilla, Puerto Rico, photographed multiple shadows transiting the face of Jupiter on Jan. 24th. A full-sized version of his image matches each shadow to a moon. In a rare coincidence, Jupiter's opposition on Feb. 6th coincided almost perfectly with its equinox on Feb. 5th when the Sun crossed Jupiter's equatorial plane. It is an edge-on apparition of the giant planet that sets the stage for a remarkable series of events. For the next couple of months, backyard sky watchers can see the moons of Jupiter executing a complex series of mutual eclipses and transits. The eclipses have already started. On Jan. 24th, for example, three of Jupiter's moon's, Io, Europa, and Callisto, cast their inky-black shadows on Jupiter's swirling cloudtops. As Earth's crosses the plane of Jupiter's equator in the weeks and months ahead, there will be many mutual events. For th instance, on Feb. 5 , volcanic Io will cast its shadow on Mercurysized Ganymede, Jupiter's largest moon. On Feb. 7th, icy Europa, home to what may be the solar system's largest underground ocean, cast its shadow on Io. Events like these will continue, off and on, until July 2015. http://science.nasa.gov/science -news/science-atnasa/2015/04feb_jupiter/ Meet Me Outdoors Looking for one site to find this winter’s best outdoor recreation events? Stargazing, hikes, biking, everything outdoors. http://meetmeoutdoors.com Did You Know…. An asteroid or comet hits Jupiter every 10-15 years which is 5000 times higher than the rate of impact on Earth. 11 Unusual Comet DiveBombs the Sun…. ….and lives! Astronomers are puzzling over a comet that passed "insanely close" to the sun on Feb. 19th. At first glance it appeared to be a small object, not much bigger than a cometboulder, doomed to disintegrate in the fierce heat. Instead, it has emerged apparently intact and is actually brightening as it recedes from the sun. Unofficially, the icy visitor is being called "SOHO-2875," because it is SOHO's 2,875th comet discovery. Karl Battams of the Naval Research Lab explains what's odd about SOHO-2875: "It's a 'non-group comet,' meaning that it does not appear to be related to any other comet or comet family that we have on record." Most comets that SOHO sees belong to the Kreutz family. Kreutz sungrazers are fragments from the breakup of a single giant comet many centuries ago. "Non-group comets like this appear a few times a year, so in that sense it's not toounusual," continues Battams. "But this one is relatively bright. The big question most people will have now is, Can I see it, or will I be able to see it, from Earth? At first I thought the answer was no. But I am very pleasantly surprised-shocked in fact! The comet has brightened dramatically and now is sporting an increasingly impressive tail. Visibility from Earth in a few weeks is no longer out of the question, although I still wouldn't put money on it." spaceweather.com Meet Our New Development Director Anna Hehman I’m thrilled to join the Observatory in this role! I’ve worked in development for over 8 years, including experience in major gifts, planned giving, annual fund campaigns, event management, grant research and writing, and corporate relations. I also have an MBA in Marketing, and several years of experience creating marketing plans, crafting press releases, and working with press contacts. I was drawn to the Observatory because of not only its status as a historical gem, but also as an educational resource for adults, children and families in our region. There are incredible opportunities for us to diversify our funding and achieve more exciting growth. I’m looking forward to working with all of you to achieve great things for the Observatory! Plans for my initial six months include: Identify our top 50 stakeholders (members, volunteers, and donors) and begin process of meeting with each one to better understand their buy-in and passion for the Observatory. Develop list of foundations whose focus matches the work of the Observatory and begin funding discussions. Create a list of businesses whose philanthropic reach is within the work of the Observatory to underwrite programs and events. Work on both quantitative and qualitative evaluation pieces for our programs to report to funders as well as capture new funders. Capitalize on the opportunity of people visiting the Observatory for public events, tours, classes and other events. Create a marketing plan to help craft a case for support articulating the value of our programs for various audiences. Anna Hehman 513-321-5186 [email protected] The GOW website is up all-year around as a link to informal education providers like the Observatory. www.cincygreatoutdoorweeken d.org 12 UC Communiversity Enrich Your Life With Quality Courses Constellations of the Season March 4th The spring 2015 course selections will be posted soon. To register contact UC Communiversity at 513-556-6932, or www.uc.edu/ce/commu.html Eyes of the Night Dean’s March Astronomy Classes By Dean Regas In March I will be holding two classes. March 17 at 8pm is called the Spring Sky, learning the stars and constellations of a warmer season. Cost is $15 per person, RSVP required by call us at 513-321-5186. Then on March 18th and 25th I’m leading another 2-night series called Astronomy 2.0. Something slightly more advanced than the Intro Classes. They're still really for beginners but I cover some different topics like the new and improved solar system and star clusters, nebulas, and galaxies. Costs are $30 for the series, $25 for members. I can send you a press release for both once I'm back in the office if you need more info. The Observatory is a proud member of GCEE! Icy Jupiter Moon Throws a Curve Ball at Formation Theories (When Dean sent this article he was in Florida, where it was warm, filming Star Gazers again.) The Heavyweight Champion of The Cosmos! Mr. John Ruthven is offering signed, limited edition giclee' prints of his "Eyes of the Night" which features the Observatory! Each signed 14"x 20" print is on sale for $150. The total run will be limited to 250 prints. Proceeds support the Observatory’s programs. To order contact Craig Niemi at 513-321-5186 or [email protected] Dark energy may be driving most galaxy clusters apart from one another. But on occasion, huge galaxy clusters can merge, forming the largest gravitationally bound structures in the universe. The largest such cluster ever discovered is the El Gordo galaxy cluster. Learn more about it in this month's column! http://spaceplace.nasa. gov/partners Artist's concept of Galileo at Jupiter's moon Amalthea. Scientists studying data from NASA's Galileo spacecraft have found that Jupiter's moon Amalthea is a pile of icy rubble less dense than water. Scientists expected moons closer to the planet to be rocky and not icy. The finding shakes up long-held theories of how moons form around giant planets. 13 14
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