It has taken me a while to get the data for this. 6 hours luminance at 1x1 binning (10 minute subs)and 1 hour of each RGB 2x2 binning (5 minute subs) using a QHY-9 mono at -20c.
Telescope is W/O Flt 110 with flats and darks applied. As always I am still working on my processing skills.
Hi Justin. Thanks for the comments. I have only ever used a QHY-9 mono and have had no issues with it. The help from Theo (Gamma Electronics) who sell them has always been very good. I have to clean the sensor every now and them as I sometimes get a little ice build up but that is no big deal.