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You should saturate bright stars (>mag6)with only a few seconds of exposure so will essentially always have saturated stars in the image. Antiblooming will stop them bleeding but the centre will still remain saturated.
It is a trade off. You need much longer exposure for the nebula and have to accept the saturated bright stars.
You can do clever things like layer in very short exposures after removing the stars from the long exposures but this is beyond my limited processing skills. Try if you like.
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