Thread: Collimination - SCT - question - seeing a diamond ring pattern when unfocused
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Old 22-06-2008, 02:25 PM
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JohnG (John)
Looking Down From Above

JohnG is offline 		 
Join Date: Dec 2005
Location: Cootamundra, NSW
Posts: 1,711
Put simply, yes.

You probably do this anyway but make sure your OTA has cooled properly before you attempt the final collimation.

Cheers
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