This is just a sample at 100% magnification of the difference:
BEFORE:

NOW:

Same exact data:
. Sony a6100 @ ISO 3200
. Rokinon 135mm ED UMC F/2 @ F/2
. 180 x 30" subs
. 20 x darks, bias, flats and dark flats
Full picture: https://www.astrobin.com/0f2us3/D/
They say that a picture says more than a thousand words: I'm speechless.
Thanks for reading!