Can I please revive this thread? I have either tilt or miscollimation though it is with a FSQ85. I cannot feel any play in either the focuser or the CAA. I have done some tests pointing the scope to the zenith. In one particular position the stars are good enough in all 4 corners, but I cannot reproduce it in the other position. Clearly the scope is capable of producing good result but I just don't know how to make it perform consistently. Any advice appreciated.
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