Hi again,
the Situation now is, I can open the files with dawn, I used the wrong Settings at the first time, and I can open with Artemis,
Needs a Little correction at the White and black Level, saved then with the new Option and everything Looks alright.
The Stars shown in the pics are approximately in good shape, Needs a few correction with the Focus, thats all, the next time.
This Thing Looks like it is done, thank you for your Replies, and clear skies,
best regards, Dietmar