Thread: M42 and horsehead single exposure
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  #3  
Old 13-12-2014, 01:15 AM
raymo
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raymo is offline 		 
Join Date: Sep 2011
Location: margaret river, western australia
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Yes, good start, but I'm curious to know why you felt it necessary to
guide at all. If your polar alignment is good you should be able to
make 8 - 9 min. exposures at 200mm.
raymo
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