› Forums › Variable Stars › A beginners follow up question – CCD suitability › Calculator
4 January 2021 at 5:02 pm
#583647
Dr Paul Leyland
Participant
Robin, thank you very much for posting the link to http://spiff.rit.edu/richmond/signal.shtml which I had not seen before and have now bookmarked.
Typing in the values for my set-up confirmed my prejudice that the read noise is almost entire unimportant for the photometric work I do, where I generally take 30s to 60s subs and co-add.