Thread: Messier 4 + Al Niyat + nebula.
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Old 08-07-2020, 02:29 PM
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cometcatcher (Kevin)
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cometcatcher is offline 		 
Join Date: Jan 2005
Location: Cloudy Mackay
Posts: 6,542
Thanks Sal. I don't have any other narrow band filters to compare to, so I can't say. They seem good, to me anyway. I have the 1 1/4 inch for LRGB and the narrow band ones are 48mm.
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