I am going to build on my last post “Counting Electrons with CaLIGHT v3.1.6” where I demonstrated how you can evaluate your astrophotos at the electron level. Read Noise Here I have gone ahead and called up a BIAS frame for my QHY294C using a GAIN=1600. This is a 1/10000th second exposure. I am not using any master frames here…no masterDARK or masterBIAS. I am also not using the Noise Filter, Bad Pixel Filter or Row Noise Filter. I chose a very large area for calculating statistics because I am…