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Old 12-07-2008, 04:34 PM
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PCH (Paul)
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PCH is offline
 
Join Date: Feb 2007
Location: Perth WA
Posts: 2,313
Hi,

if you have a dob or a newt, the following link may help to explain what's required ...

http://www.andysshotglass.com/Collimating.html

Hope it helps,

Cheers,
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