Didge Posted March 27, 2023 Share Posted March 27, 2023 Hi, I use APhoto for stacking astrophotography images, and it works very well. I want to create Master Bias / Flat / Dark frames, but this is not possible in APhoto, because APhoto expects images to contain stars so the images can be registered / aligned. Of course, this step is normally bypassed when stacking calibration frames. The 'Stack' button is inactive until Light frames are defined, and APhoto cannot be 'tricked' into stacking calibration frames by pretending they are Light frames - it rejects all the images because they contain no stars and cannot be registered / aligned. Can a feature please be added to APhoto to stack calibration frames by bypassing the registration /alignment step ? Many thanks, Gary Quote Link to comment Share on other sites More sharing options...
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