Thread: SCT Collmination
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Old 03-03-2010, 11:48 PM
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bmitchell82 (Brendan)
Newtonian power! Love it!

bmitchell82 is offline 		 
Join Date: Jul 2008
Location: Mandurah
Posts: 2,597
de focused star to see diffraction rings or the airy disks is the best and only way to do it. In saying that if you don't know what your doing. don't touch it. good luck
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