Quote:
Originally Posted by casstony
Hi Bill, the stars are stretched in all of the corners so either the flattener isn't well matched to the scope or your camera chip isn't at the correct distance from the flattener.
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Thanks Tony, you might be right - the reducer/flattener is a Sky Rover 0.8X, and it has a sign on it saying "For 115APO". The scope is a 107APO. Cris was of the opinion that it was close enough and it was the right flattener for the job - that the difference wasn't going to be significant. Was he wrong? How close is close enough?