I decided to try my hand at taking some shots at dusk this past weekend. With a little practice, I got to the point where the shots were reasonably crisp even at 1/20. I've been doing post-processing on them this afternoon and I can't decide how much to brighten them up. If I go too high, it doesn't look like a dusk shot. Too low, and the image of the aircraft is poor. Here's one that I did a few minutes ago:
What do you think? Too dark? Too light? Too anything else?