Thread: Light Polution
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Old 09-04-2007, 10:32 AM
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Starkler (Geoff)
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Join Date: Sep 2004
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Quote:
Originally Posted by bkm2304 View Post
I wonder of anyone can advise me if there is such a thing as a filter to enhance comet viewing?
Yes there is. Its called a SWAN band filter.
I havent used one myself or know any details about them.
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