I have been thinking about a particular CHDK project for a while and would like to ask you for help, opinions and advice. My goal is to be able to somehow analyse intermediate data during very long exposures (order of 10s of seconds) using CHDK.
Therefore I would like to ask you whether such a thing is even possible.
How does the long exposure mode work - is it just that the chip is being illuminated continuously for its entire duration? Or is some software stacking done already while taking the picture?
I would like to be able to see "intermediate" photos during the long exposure to correct for things and in general improve the final picture.
Thanks. I don't really understand the inner workings of the camere, so cannot estimate myself, but I suppose that a continuous long exposure would be superior to the addition of several shorter exposures of the same total length.
Idea: In the old days of photographic plates, astronomers had another telescope attached to the big one and checked for any star movement. If they saw some, they correct it manually. Since I have only one telescope (which is quite heavy for the mount already), I wanted to be able to see whether the stars actually drift during the exposure and correct for it.
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