A useful short discussion by Qui (of QHY).
2 pages on settings, one page on graphs (and 5 pages of the same in chinese).
https://www.qhyccd.com/file/repository/PDF/Setting%20GAIN%20and%20OFFSET%20on%20cold%20CMOS%20camera%20for%20deep%20sky%20astrophotography.pdf (https://www.qhyccd.com/file/repository/PDF/Setting%20GAIN%20and%20OFFSET%20on%20cold%20CMOS%20camera%20for%20deep%20sky%20astrophotography.pdf)
Like that read aswell Noel , specially enjoyed the alien language at the end :alien2: :abducted:
Roger