Search found 2 matches

by anamik
Sat Oct 31, 2020 2:25 pm
Forum: Tutorials
Topic: Picking the correct exposure for Deep Sky
Replies: 78
Views: 128093

Re: Picking the correct exposure for Deep Sky

Ah, got it. I should have figured it out from the mention of shot noise following Poisson statistics.

Thanks,

Shail
by anamik
Fri Oct 30, 2020 2:01 am
Forum: Tutorials
Topic: Picking the correct exposure for Deep Sky
Replies: 78
Views: 128093

Re: Picking the correct exposure for Deep Sky

Hello Dr. Glover, Thank you for a lucid explanation. I may be reading this wrong but references to read noise in units of electrons and to the symbol as sigma_r lead to a units mismatch in the equation for stack noise. Background sky noise ~ tQrp,sky ~ units of electrons Read noise ~ sigma_r ~ units...