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5nm vs 3nm Ha Filters- the NII question
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05-08-2016, 08:37 AM
Merlin66
(Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,907
These very narrow band filters will not change the Ha detail, just suppress the nearby continuum wavelengths.....seen by some as light pollution.
Last edited by Merlin66; 05-08-2016 at
04:17 PM
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