Thread: DIY 18” truss dob, UTA size?
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  #30  
Old 26-08-2018, 03:39 PM
Kunama
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Kunama is offline 		 
Join Date: Sep 2012
Posts: 3,588
Try to collimate with it at around 35º-45º rather than horizontal then you know the mirror is resting agains the cell's glides.
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