Thanks guys
The Red Planet is an extraordinarily difficult coral to photo. Every time I try, basically you get the edges completely washed out and overexposed whereas the inside bits are too dark. Compensating exposure in any direction makes the other worse. So I've had rather limited success with photos with a number of cameras.
Did manage this one with some random experimenting with post-processing. So this is more mangled than I usually do but at least it "sort of looks like how it looks for real."
Compared to a year ago:
Or another way to look at it:
A year ago:
Now:
"We've come a long way, baby."