The data of the jpeg image I posted is of calibrated data. Running a non-calibrated session was stricly an experiment to see if the condition appeared which it did.
There are 140 60 sec light frames and 47 120 sec light frames after blinking. There were 16 60 sec frames rejected in WBPP process "Bad Frames Rejection" process.
The images were dithered.
I did let WBPP pick the images. I will need to study the no…