Re: Extracting green channel from FITS

Posted by karenacollins on Feb 19, 2022; 3:15am
URL: http://astroimagej.170.s1.nabble.com/Extracting-green-channel-from-FITS-tp1750p1771.html

Hi Bill,

Can you confirm the functionality you are looking for? We can consider implementing in AIJ. Are you wanting to extract the two green pixels in each RGGB Bayer group, average them together, and then produce an image from all of the averaged green pixel pairs which will result in being 1/2 x 1/2 the size of the original image? If you are looking for something different, please explain.

If we implement this feature, it would actually open three independent stacks of images (one R, one G, and one B) so that it would be more general purpose. However, you could simply delete or ignore the R and B stacks if you are not interested in running photometry on those.

Karen