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New Astrophotography System
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03-12-2011, 10:17 AM
avandonk
avandonk
Join Date: Aug 2005
Location: Melbourne
Posts: 4,786
Yes Fred see further down on this page
http://www.astrodon.com/Orphan/astro...arrowband/#h10
What About Using Narrowband Filters with Faster Optics?
Bert
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