What can be done PP to help tonight's moon shine?
a bit of tinsel maybe
You wanting it to look like the moon as you see it in the sky or you just wanting it to be sharper and more detailed?
Yup, shadows and highlights work.
I'd crop out all the black as well because you're limiting how much moon you can show (that just sounds wrong). Crop so you just have the moon and then adjust highlights and shadows. Maybe sharpen a touch if it needs it.
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