Thread: Article: Visual Astronomy and the Use of Filters
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Old 23-05-2012, 07:36 AM
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Gem (Grant)
The serenity...

Gem is offline 		 
Join Date: Mar 2011
Location: Canberra, Australia
Posts: 926
I have a GSO OIII filter - best $50 I spent in astro! Really changed the way I observe nebula from in town. I have enjoyed so many PN since.
Thanks for posting the article!
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