Thread: Baader H-alpha 35nm filter for Interline cameras
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Old 11-07-2020, 09:17 AM
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Merlin66 (Ken)
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Join Date: Oct 2005
Location: Junortoun Vic
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Should work as a light pollution filter, only allowing the spectral wavelengths around H alpha to be recorded.
It's widely used as an energy rejection filter (ERF) on solar imaging set-ups.
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