Quote:
Originally Posted by E_ri_k
I was wondering the same thing when i started imaging. I read the DSS website, and i was thinking, is say a 1 hour exposure made up of 6 x 10 minute subs really a 1 hour exposure? Or it realy only a 10 minute exposure but with a very high SNR?
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That depends on the algorithms used to stack your subs. Remember you are just counting photons.
Are 100 photons of light and 10 photons of noise any better than 1000 photons of light and 100 photons of noise?