Yes that was 56,000 frames stacked. ?My software does it without taxing the computer; it runs in background and is not a bother. ?Usually it takes approximately 1/2 the time to stack as to acquire (e.g. it takes about an hour to stack 2 hours of data).
I used to have an ICCD that I operated at 30fps so a 2 hour exp would require almost 1/4 million frames!?
The bottom of this page shows a 180,000 frame stack of M57:
The dealer I where got my EMCCD is no more.
Check?Amazon for used EMCCD. ?But they are infrequent.
If you find a source then let me know.
Stan
