Quote:
Originally Posted by Peter Ward
Indeed, as PeterM suggests the errors may have been from the other 'scopes .
But the fact remains that image shows 14% of focal plane tilt, which I wouldn't put down to Dec backlash which manifests as a very different plot in CCDinspector (typical example attached)
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When I get everything adjusted with the new system I will run CCD Inspector over a few images just for you Peter. It may lead to a final tiny reiterative tweak in collimation and sensor alignment.
Bert