Re: Image orientation / Astrometry

Posted by karenacollins on Sep 04, 2024; 10:02am
URL: http://astroimagej.170.s1.nabble.com/Image-orientation-Astrometry-tp2511p2512.html

That information is generally encoded in the "CD" matrix terms that are added to the fits header as part of the plate solution. I'm not sure there is a direct indication of rotation relative to sky north.

Karen