Very cool! Do you shoot darks on the same night? How do you match the temperature of the darks to the lights? With flats it's easier since they're quick to shoot. Or is the temperature difference of calibration frames not that critical? I never quite mastered it on my 600D.
Thank you from the bottom of my heart)))
The thing is, I don’t know the sensor temperature at which the lights were taken. My Nikon DSLR doesn’t have a sensor temperature meter on the matrix. And I shoot darks at an approximate temperature by simply putting the camera in the fridge) But the temperature of the darks is very important! Differences should be no more than +/- a couple of degrees, and ideally even more precise.
As for a cooled astro camera, I can only dream of one.
9 May, 2026
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The thing is, I don’t know the sensor temperature at which the lights were taken. My Nikon DSLR doesn’t have a sensor temperature meter on the matrix. And I shoot darks at an approximate temperature by simply putting the camera in the fridge) But the temperature of the darks is very important! Differences should be no more than +/- a couple of degrees, and ideally even more precise.
As for a cooled astro camera, I can only dream of one.
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