Thread: Star Test
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  #6  
Old 28-04-2008, 10:43 AM
Kokatha man
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Kokatha man is offline
 
Join Date: Dec 2007
Location: Adelaide
Posts: 486
Quote:
Originally Posted by Satchmo View Post
If you don't centre spot your primary and use a cheshire sight tube or laser to collimate the diagonal first, all the primary mirror on a star will get nowhere.
I suspect you're possibly right there: that's why I commented that I've never done it with a badly out of alignment scope - meaning the necessity to adjust the secondary mirror, which should not be a regular occurrence once set: unlike the primary.
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