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Collimation
I've been trying to get the collimation of my Schmidt Newt sorted but can't seem to get it just right. Today I've checked the focuser is square and then re-collimated with my Catseye tools. I think it look ok however the image through the Autocollimator does shift a bit if I rotate it. I'm also wondering if the position of the secondary is out.
I've taken some images through the Cheshire and the autocollimator.
Advice greatly appreciated.
Peter
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