Quote:
Originally Posted by Peter Ward
More likely the assembly is not squared on, with the tilt in the focal plane being
compensated for one side of the pier via flexure, but exaggerated on the other.
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Yes, but tilt in the focal plane results in out of focus stars somewhere in the FOV, but they should still be round if only a bit bigger, unless astigmatism is present. Greg, post a small crop around one of your 'elongated' stars.
EB