Quote:
Originally Posted by gregbradley
Thanks Suavi.
Good point. I haven't found it to be an issue. The new higher accuracy PI integration tools sound worthwhile and worth investigating. I find CCDStack to sometimes not do the best job and sometimes it refuses to align images.
If there are subtle changes like you pack out the camera to handle tilt later but not in the original that possibly may affect it. Registar though I think would be hard to fool.
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I was thinking more in terms of apparent star movement relative to us and gas expansion.