Subtracting Overscan Regions In AIJ

Posted by Harrison on Feb 24, 2015; 3:50pm
URL: http://astroimagej.170.s1.nabble.com/Subtracting-Overscan-Regions-In-AIJ-tp253.html

I have a large overscan region in each of my frames, and it varies by about one count every 20 images. I would like to subtract the average value of each overscan region from the frame it accompanies. Is there any way to do this?