I had clear skies last night and decided to image M5 and I saved the images to an external hard drive.
I started processing them in Pixinsight this morning starting with "Blink". Next I moved on to "Sub-frame Selector" and ran into difficulties. See attached file.
Imaging Information: C11" with 6.3 focal reducer, SBIG STF8300C, Moonlight Focuser, The SkyXPro, all on a MtY mount. BTW, I set up The SkyXPro for FITS format.
Any suggestions as to what I'm doing incorrectly?
Hank