Contrast adjustment - all comments welcome

Processing
12

Here my try GIMP correction in the LAB space

P1100122-GIMP correction in the LAB space1
P1100122-GIMP correction in the LAB space15488×3664 3.91 MB

P1100122-GIMP correction in the LAB space2
P1100122-GIMP correction in the LAB space25488×3664 4.4 MB