Thanks for the quick reply! I have started to analyze the gphoto source-code yesterday and already suspected that this happens after the return from the gphoto lib. So that probably means I need to also install the kstars source and dig deeper...

I have actually switched off the auto debayering to test, but this did not make any difference with this delay, so probably this issue is not directly connected to de-bayering. There was actually another issue with debayering the Fuji X-trans files anyway, but I decided to focus on this problem first.

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