Thread: Optical Tube Reflection with The Horsehead
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Old 08-09-2011, 03:21 PM
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A23649 (Nathan)
I've told you once.

A23649 is offline 		 
Join Date: Sep 2010
Location: Canberra, Australia
Posts: 133
it's the reflection off the coma corrector onto the secondary, trust me with this one.
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