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Old 03-11-2009, 01:57 AM
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citivolus (Ric)
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Join Date: Sep 2007
Location: Carindale
Posts: 1,178
How difficult is it to find a suitable guide star with these systems? Also, I can't find any indication of clear aperture.

How does it fit into the imaging chain when a reducer/flattener is used?
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