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Yen Images of Comet Hale-Bopp

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yen14_s.jpg50K yen15_s.jpg41K
Observer: Bob Yen
Location: Mojave Desert, California
Date: March 10, 1997

First image is a long telephoto shot, using a 6x7 camera on an AstroPhysics 610mm f6 lens w/field-flattener (Traveler). Note: the moonlit conditions actually make the sky background bluish-gray, but the background has been adjusted black-gray for visual evaluation. The ion tail is very strong , and extends out of the frame (in spite of moonlight) -- at least 6 deg. The dust tail has become more intense (brighter and narrower), but still has an outer *fan*.

Second image is a telephoto shot, using a 6x7 camera & 75mm/4.5 lens stopped down to f4 (the same field of an 50mm lens, 35mm format). You can see the entire constellation Cygnus (i.e. Northern Cross), and the Milky Way along its spine (faintly, due to moonlight). The well known North American Nebula, Gamma Cygnus complex, Veil Nebula are also recorded. What a magnificent sight to see this *arrangement*, set against a beautiful forground. Wow. A memorable moment.

Bob Yen
email contact: byen@ix.netcom.com or
http://www.comet-track.com/hb/hb.html


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