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Field Curvature and Coma
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26-08-2008, 10:36 AM
Satchmo
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Join Date: Dec 2005
Location: Sydney
Posts: 1,878
Stop the telescope down a little to reduce coma ( for example 4" to make F6 ). Vignetting will increase slightly.
Coma shouldn't be objectionable at F5 with an MPCC.
Satchmo
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