Thread: 5nm vs 3nm Ha Filters- the NII question
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Old 05-08-2016, 08:28 AM
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SimmoW (SIMON)
Farting Nebulae

SimmoW is offline 		 
Join Date: Jan 2014
Location: Tamleugh, Victoria, Australia
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Hmm, anyone have any example images from such narrow filters? Could make images rather distinctive I think, as a 4th channel
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