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DSLR data calibration without darks
Thank you for your question and welcome to the APP forum. My apologies for the delay in my response.
If you want to calibrate DSLR data without darks, you will need to use at least a masterbias if you are using flats as well. Are you?
(The hotpixels can be taken care of most efficiently by making a one-time BPM from a simple set of darks.)
Main developer of Astro Pixel Processor and owner of Aries Productions