Thread: Eyepieces for 12" Dob
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Old 30-05-2006, 11:18 AM
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square_peg114GT
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Join Date: Aug 2005
Location: Maple Valley, WA, USA
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Ths is the most comprehensive comparison of nebula/light-pollution-reduction filters that I've seen.



Filter Performance Comparisons for Some Common Nebulae
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