Quote:
Originally Posted by vash
if it was astigmatism wouldn't it be visible in the eta shot? although that was with the MPCC and not the W/O one. I did a star test and as far as I can tell the scope is good, nice clear round rings in the airey disk cause at first I thought it might be collimation but i didn't notice it was on all corners.
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It is visible also in the ETA shot although not as noticeable as the stars are a bit more bloated. Maybe due to longer exposures.