Release date January 4th, 2022 -I have changed the minimum permission logic for calibration. I also changed the BLACK ADU Usage definitions. This is the result of a lot of detail work that focused on FLAT compensation. DSLR users will not notice any change in how their images are calibrated. This is because all DSLRs use the data convention called BLACK ADU. AstroCAMs do not use this data convention…yet…and this can cause headaches when trying to get acceptable FLAT compensation. I hope to post something to my website [astrohobby.ca] that…