Thanks Guys.
Mike, no I haven't used layer masking. I haven't learned how to do that yet

. Same with MAP processing.
I tend to keep the white meter in K3 a bit low when capturing Aristarchus. I play about with levels between 150 and 200. Gamma was at 0. I'll have to check all the avi's I took last night because I took a few of Aristarchus and experimented a bit with levels including one run on autoexposure (I expect it to burn out Aristarchus).
Other than that all I did to this one was I think drop gamma to 0.8 in Registax. I played with the histo stretch but cancelled it. Did no processing in PS, just saved for web.
This was the first time I've tried a UV/IR blocking filter. I haven't had one till now. I couldn't get the brightness down with just the UV/IR so I had to add another filter to dim it a bit, so I thought I'd try a #21 Orange this time instead of the moon filter. From what I've read orange is supposed to "greatly enhance lunar features"

.
Al.