Thread: ASI cam users
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Old 22-05-2017, 07:02 PM
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Merlin66 (Ken)
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Merlin66 is offline 		 
Join Date: Oct 2005
Location: Junortoun Vic
Posts: 8,907
David,
I don't need to use a filter wheel for solar.
The PST etalon, or the Coronado 60 act as very very narrow Ha filter elements.
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