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Old 22-08-2016, 11:33 AM
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RickS (Rick)
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RickS is offline
 
Join Date: Apr 2010
Location: Brisbane
Posts: 10,584
I should have some FITS files from my old RC10 configuration. Will take a look when I get home. The usual method for setting the primary/secondary distance in RC scopes is with a Ronchi grating.

Cheers,
Rick.
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