Hello Moraes,
Thanks for your thoughtful comments!
The over-exposition is not apparent in the original .fit file. I'm sending a crop from the original .fit image, which shows the stars more clearly. The over-exposition occurred when I converted the file to .jpg .If someone could illuminate me on how to convert correctly .fit files to .jpg files in PixInsight it would be very helpful.
Also, I failed to understand your comments about bad guiding, I don't think it is so bad. The stars seem quite round to me, as can be seen on the cropped image.
Cheers,
Luiz
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