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Old 12-05-2013, 10:29 AM
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Peter.M
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Join Date: Sep 2011
Location: Adelaide
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Quote:
Originally Posted by TanjaC View Post
Chip distance / camera fitting squarely
- If one or 2 corners are off, you might think its flattener and sensor not square, but then why are my stars round in the corners when imaging N.
Chip distance could cause similar star shapes, if the distance is not correct then it may over correct the image.
I have no experience with APO scopes so I may be wrong but with my newt small distances make stars look like this. Obviously this doesn't explain why different orientation imaging behaves differently.
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