Thread: Review: Astrodon Narrowband 3nm H-Alpha and 3nm OIII Filters
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Old 28-04-2015, 07:22 AM
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RickS (Rick)
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Nice review, Slawomir. It has always been obvious to me that the assertion that narrow filter bandwidth requires longer integrations is false but nice to see someone demonstrate this empirically.

Cheers,
Rick.
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