Thank you for your answer.
The Videos are each 4-10h long, so the required preceding 1min wouldn't be a problem.
Unfortunatly I do not have a camera to test the software and some scenarios mysel ...
i recently discovered UFOHD2 as a great tool and want to try to analyze an old database of nightskycapture videos i did not capture with UFOHD2.
Is there an easy way to this? I tried some r ...