Hi, I use an ASI 290 MC for guiding and recently it starts showing complete black frames in-between guiding. First I thought it was clouds in the sky, but that's not the case.
Sometimes it helps to switch binning to 2x2, it then displays stable frames, immediately when switching back to 1x1 the frames get completely black again.
I use sub framing with a 128 pix box. Does anyone else have this issue?
Cheers
Amin
Skywatcher Newton 200/1000, Sharpstar 60ED, Canon Lenses
Skywatcherr EQ-6 R, AZ-GTI
StellarMate @ Raspberry Pi 3B+
ASI 183 MC Pro
ASI 290 MC guiding cam on APM 60 ImageMaster
Sesto Senso 2 Focuser + Astromechanics Canon Focuser