So lately I've been imaging with my camera cooled to -25C. Last night I shot several hours of light frames, but alas, I have no matching dark frames. Tonight I thought to do it after dark, but it's too warm, the camera can't get down that far. What to do?
I put the camera in our chest freezer that runs at about -18C so that the USB and power cable trailed out to my laptop. I set the camera's temperature to -25C, and it's now collecting the needed dark frames. All need to do is remember to seal the camera in a zip-loc bag when I remove it from the freezer, so that condensation won't build up in and on it.
Kind of dumb, but I'm sure I'll come up with others.
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