For details of all forthcoming IAA lectures and other events, see www.irishastro.org
4. Globe At Night (G.A.N.): Less of Our Light for More Star Light: Join the second part of the 6th worldwide GLOBE at Night 2011 campaign: March 22 - April 4. With half of the world's population now living in cities, many urban dwellers have never experienced the wonderment of pristinely dark skies and maybe never will. This loss, caused by light pollution, is a concern on many fronts: safety, energy conservation, cost, health and effects on wildlife, as well as our ability to view the stars. Even though light pollution is a serious and growing global concern, it is one of the easiest environmental problems you can address on local levels.
Participation in the international star-hunting campaign, GLOBE at Night, helps to address the light pollution issue locally as well as globally. This year, 2 sets of campaigns are being offered. The first campaign ran from February 21 through March 6, 2011. The second campaign runs from March 22 through April 4 in the Northern Hemisphere and March 24 through April 6 in the Southern Hemisphere, and everyone all over the world is invited to record the brightness of the night sky. The campaign is easy and fun to do. First, you match the appearance of the constellation Orion in the first campaign (and Leo or Crux in the second campaign) with simple star maps of progressively fainter stars found. Then you submit your measurements, including the date, time, and location of your comparison. After all the campaign's observations are submitted, the project's organizers release a map of light-pollution levels worldwide. Over the last five annual 2-week campaigns, volunteers from more than 100 nations contributed 52,000 measurements, one third of which came from last year's campaign.
To learn the five easy steps to participate in the GLOBE at Night program, see the GLOBE at Night website. You can listen to last year's 10-minute audio podcast on light pollution and GLOBE at Night. Or download a 45-minute powerpoint and accompanying audio. GLOBE at Night is also on Facebook and Twitter.
The big news is that children and adults can submit their measurements in real time if they have a smart phone or tablet. To do this, you can use the web application. With smart phones and tablets, the location, date and time are put in automatically. And if you do not have a smart phone or tablet, there are user-friendly tools on the GLOBE at Night report page to find latitude and longitude.
For activities that have children explore what light pollution is, what its effects are on wildlife and how to prepare for participating in the GLOBE at Night campaign, see the Dark Skies Rangers activities. Monitoring our environment will allow us as citizen-scientists to identify and preserve the dark sky oases in cities and locate areas where light pollution is increasing. All it takes is a few minutes during the 2011 campaign to measure sky brightness and contribute those observations on-line. Help us exceed the 17,800 observations contributed last year. Your measurements will make a world of difference.
Star Maps: http://www.globeatnight.org/observe_magnitude.html
Submitting Measurements: http://www.globeatnight.org/report.html
GLOBE at Night: http://www.globeatnight.org/
Audio Podcast: http://365daysofastronomy.org/2010/02/03/february-3rd-the-globe-at-night-campaign-our-light-or-starlight/
Powerpoint: http://www.globeatnight.org/files/NSN_GaN_2011_slides.ppt
Accompanying Audio: http://www.globeatnight.org/files/NSN_GaN_2011_audio.mp3
Facebook: http://www.facebook.com/GLOBEatNight
Twitter: http://twitter.com/GLOBEatNight
Web App for Reporting: http://www.globeatnight.org/webapp/
Dark Skies Activities: http://www.darkskiesawareness.org/DarkSkiesRangers/
Constance E. Walker, Ph.D. Director, GLOBE at Night campaign www.globeatnight.org), Chair International Dark-Sky Association Education Committee; chair, IYA2009 Dark Skies Awareness Cornerstone Project; member, Astronomical Society of the Pacific Board of Directors; associate scientist & senior science education specialist, NOAO. Address: National Optical Astronomy Observatory (NOAO), 950 N. Cherry Avenue, Tucson, AZ 85719 USA, 520-318-8535; cwalker@noao.edu
5. NANOSAIL-D: NASA's first Earth-orbiting solar sail, NanoSail-D, is circling our planet and attracting the attention of sky watchers. Occasionally, sunlight glinting from the sail's reflective fabric produces a flash of light in the night sky. These "solar sail flares" are expected to grow brighter as NanoSail-D descends in the weeks ahead. There will be a series of morning passes starting on 12 March, some of which are quite favourable. Details of passes for your own location are on www.heavens-above.com.
NANOSAIL-D AMATEUR ASTRONOMY IMAGE CONTEST
NASA has formed a partnership with Spaceweather.com to engage the amateur astronomy community to submit the best images of the orbiting NanoSail-D solar sail. NanoSail-D unfurled the first ever 100-square-foot solar sail in low-Earth orbit on Jan. 20.
To encourage observations of NanoSail-D, Spaceweather.com is offering prizes for the best images of this historic, pioneering spacecraft in the amounts of $500 (grand prize), $300 (first prize) and $100 (second prize).
The contest is open to all types of images, including, but not limited to, telescopic captures of the sail to simple widefield camera shots of solar sail flares. If NanoSail-D is in the field of view, the image is eligible for judging.
The solar sail is about the size of a large tent. It will be observable for approximately 70 to 120 days before it enters the atmosphere and disintegrates. The contest continues until NanoSail-D re-enters Earth's atmosphere.
NanoSail-D will be a target of interest to both novice and veteran sky watchers. Experienced astrophotographers will want to take the first-ever telescopic pictures of a solar sail unfurled in space. Backyard stargazers, meanwhile, will marvel at the solar sail flares
-- brief but intense flashes of light caused by sunlight glinting harmlessly from the surface of the sail.
NanoSail-D could be five to 10 times as bright as the planet Venus, especially later in the mission when the sail descends to lower orbits.
See http://science.nasa.gov/science-news/science-at-nasa/2011/01feb_solarsailflares/
6. DISCOVERING THE UNIVERSE, ARMAGH, 17 March.
To mark St Patrick's Day in Armagh City, Armagh Observatory is hosting "Discovering The Universe", with two lectures in St Patrick's Trian, and a tour of the Human Orrery and Astropark in the Observatory grounds. More details on www.arm.ac.uk. Admission is free, but by ticket only. Contact Aileen at ambn@arm.ac.uk
8. BCO EVENTS, CORK: 2011 is the 3rd year CIT Blackrock Castle Observatory (BCO) participates in a truly global event called EarthHour when over 1 billion people from over 125 countries around the globe will turn off their lights for one hour as a symbol of global sustainability. BCO hopes to make special use of these dark conditions with a guided Globe at Night stargazing event highlighting light pollution. The popular science centre will also host double screenings of Risteard Ó Domhnaill's prize winning documentary The Pipe, pitching a local & environmental choice as their Movies by Moonlight film club screening for March.
Call 021-4357917 / email info@bco.ie / visit www.bco.ie/upcomingevents
http://www.facebook.com/BlackrockCastleObservatory
http://twitter.com/blackrockcastle
9. Robert Hill will be giving a space talk for schools, in the Ulster Museum on Friday 18th March. It will celebrate the 21st anniversary of the launch of the Hubble Space Telescope. Titled "Cosmic Explorers", the presentation will tie in with the CCEA KS3 revised thematic unit 'Underneath the stars' and will be strongly influenced by the STEM agenda. It is free of charge, but booking is essential.
Terry Moseley
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