I haven't shot any FITS files recently. If one of the old ones will suffice I can upload it when i get home. I don't use compression or crop the image. Here is a drop box with a good (004) and bad(002) XISF www.dropbox.com/sh/8esi2yoq2757we9/AAAj4...Oa7Al-5LBKrMwpa?dl=0Read More...