Thread: Modifying a GSO 200f4 for high res imaging
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Old 31-08-2013, 08:05 PM
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astronobob (Bob)
Casual Cosmos Capturer

astronobob is offline 		 
Join Date: Jun 2010
Location: Gold Coast SE QLD
Posts: 4,190
Very interesting read and thanx for posting Ray
I have now considered more attension to my tube Re: applying black velvet inside & prob should go with some sought of Laser collimater too ! !
BTW, Really dig your M83
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