Thanks, all!
The glow is a bit bright, I agree. It's actually just the moon planet atmoshphere haze(not technically correct in the real world but close enough for government work, as they say). When making a moon image I usually disable the atmo for it.
Cyber Angel: I remember Athena and I remember those posters, too. There'd usually be a giant wolf or unicorn in the sky, or something else of equally bad-taste. There's still some room in my sky, stay tuned for a golden eagle on a Harley for my next update...