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| Sky Pollution Rejection Filters and What They Reveal About Nebulae |
| Prof Tim Barker |
| Thursday, Jun 14, 2012 at 8:00 PM |
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| Our speaker will demonstrate how filters such as Orion Telescope's Ultrablock filter allow observers to see emission nebulae clearly even when the sky is polluted because of nearby lighting. He will then explain what we can learn about nebulae by viewing them with these different kinds of filters. He will also talk about Wheaton's new observatory and research that is being done there and with our Internet-controlled telescope in Australia.
Tim Barker received a Ph.D. in astrophysics from the University of California at Santa Cruz in 1974. Since that time, he has been a professor of physics and astronomy at Wheaton College in Norton Massachusetts. He has taught a variety of courses, including The Universe, The Solar System, Observational Astronomy, The Search for Life in the Universe, and Ancient Astronomies. His research interests include planetary nebulae, minor planets, and searching for transient lunar phenomena.
Please join us for a pre-meeting dinner discussion at Changsho, 1712 Mass Ave, Cambridge, MA at 6:00pm before the meeting. |
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