PixInsight: Automatic Background Extraction
Dec 14 08 23:47 Filed in: PixInsight
We all end up with gradients in our images. Sure, flat-fielding (if you do it well) will take out the optical issues like vignetting, but skyglow gradients will still make it such that you’ll often really want an artificial flat. PixInsight has both an automatic tool and a manual tool for doing this. Here, I go over using the automatic one.