Dark out there (who'da thunk it?)

[tigertoy]

I took a walk around the block a bit ago.  I know there's a full moon up there someplace, but there must have been heavy clouds to the south, because it was quite dark.  People may think I'm odd for wanting to take a walk in the dark in the country without a light, but I enjoy it and I know my path well.  However, I had an experience that provides a new yardstick for "dark" -- it was so dark that a firefly flying toward my face dazzled me and left a distinct afterimage in my vision...