Thank you all for your very kind feedback.
Skies are really much better here in Prossy, at least when it comes to absence of light pollution. I could not see any dust donuts nor gradients even in 10min Luminance subs, so I probably could get away with not using flats at all. Flats were a definite must in Paddy in Brisvegas and it was often quite a challenge, even with narrowband imaging, to remove all artefacts.
The first night (of the two) was quite warm too - temp was still around 24C for the bulk of the imaging session on the first night.
Fingers crossed stars shapes will be better in the next image.
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