(it's 8-bit 4208x3120 GRBG - and you'll probably notice autofocus phase pixels that we don't handle in any way just yet :))
@dos
Looks wow! :)
It seems simpler to move the camera some millimeters than changing the parameter to find the sweet spot ;)
I know next to nothing about photography and made no manual processing, so someone with some knowledge will likely get a better photo. If you want to play with it, here's the RAW: https://dosowisko.net/kwiatek.raw + black frame: https://dosowisko.net/black0.pgm