Thread: Collimation humour...
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  #10  
Old 21-05-2021, 07:32 PM
gb44 (Glenn)
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Join Date: Jul 2012
Location: Gold Coast
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Also have a look at Collimation by Thierry. Theres good info on what mags to use.
http://www.astrophoto.fr/collim.html

GlennB
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