Thanks for sharing this beautiful shot. I did not try to enhance the colours, or to improve the composition; I just wanted to see if darktable somehow mangles the colours by default.
Here are filmic v7 and sigmoid (using the ‘smooth’ preset) renderings:
MJD04337.ARW.xmp (13.0 KB)
MJD04337_01.ARW.xmp (13.0 KB)
Oh, I picked the white balance in color calibration from the spot indicated below:
