Thread: need a sticky on filters
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Old 04-03-2009, 02:41 PM
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troypiggo (Troy)
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troypiggo is offline 		 
Join Date: Nov 2008
Location: Brisbane, Australia
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Found them.

David Knisely:
Useful filters for viewing deep-sky objects
Filter performance comparisons for some common nebulae

And some others:
Astronomical filter curves
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