Thread: Ha filter to view or photograph the night sky
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Old 07-08-2009, 06:52 PM
Alchemy (Clive)
Quietly watching

Alchemy is offline 		 
Join Date: Jul 2007
Location: Yarra Junction
Posts: 3,044
lots of people image from heavily polluted sites using narrowband filters such as Ha, O111, etc

you are correct for all general purposes
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