Second test with longer exposures but same gain/offset. Nice to have a larger field of view again.

Object IDM31 Andromeda Galaxy
Details2020-08-31
Telescope250mm f4.8 Newtonian
MPCC
CameraQHY168C @-15°C
10/50 gain/offset
Exposure(s)23x90s
darks, bias, flats
CaptureAPT
ProcessingAPP, PS