And what you do after you take the photo-- that matters too in The irresistible Urge To Play with Light

See, this is the last photo from the previous entry:

And this is what happens when I run it through a quick, automated cleanup:

I need to learn how to do more. At the very least, I need to get to the point where I can do what's called ETTR shooting. Without it, my astronomy shots are always going to be very, very limited.