Thread: Helix Nebula
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Old 19-10-2011, 07:41 PM
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Gem (Grant)
The serenity...

Gem is offline 		 
Join Date: Mar 2011
Location: Canberra, Australia
Posts: 926
Even cheaper OIII filters make a huge difference! I am really please I got an OIII filter - it has made backyard observing of nebulas a pleasure...
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