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Ken here is an image of your eight images stacked with RegiStar then levels and curves in PS.
Would be better with original images. I did a median combine with RegiStar after registration this removes hot pixels as
the field was rotating.
Absolutely accurate polar aligning is essential for wide fields to not get rotation. When autoguiding the guide camera and imaging camera have to be very well aligned. In fact if both are well aligned any rotation tells you polar alignment is off.
This does not matter with RegiStar as it uses all the stars to align.
bert
Last edited by avandonk; 18-05-2007 at 05:01 PM.
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