I imagine they've done some tweaking before publishing (also appears the rock substrate has flaked off), was hoping to be able to pull some more detail out of the images with a vibe coded decorrelation stretch app I made from a post last week:

https://news.ycombinator.com/item?id=49645437

https://github.com/nburns/DecorrelationStretch

I was thinking about that article as well, were you not able to pull any more detail out the images?