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Old 17-05-2019, 03:24 PM
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Paul Haese
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Paul Haese is offline
Join Date: Jan 2009
Location: Adelaide
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Thanks guys for the responses and ideas.

Originally Posted by Peter Ward View Post
I'd be looking at the polychromatic corrector data.

London to a brick the corrector is the culprit....imaging with and without it will
make clear whether it is the culprit.
If this corrector and camera were used before on the other Newtonian, why would it be different on this Newtonian?

Originally Posted by PRejto View Post
I just went through this with a flattener. My blue filter was 220 microns away from the red. Took out the FF and problem gone. FF was definitely at right distance!

It's certainly a puzzle to why this is occurring.
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