It turns out I screwed up. I claimed in my last couple of posts that the images there were HDR photos. That's only half true. They are HDR images but there was another step in the processing I missed out. Something called tone mapping. Sorry. I really am learning about these things as I post stuff, so don't be surprised if I've missed something else out as well.
I still like the sky in the half-done photo of Submillimeter Valley, but yesterday's evening sky really should have looked like this:
I'm going back over several pictures that I think I can improve quite dramatically now that I've got a better idea about what I'm doing. I'm glad I'm friends with this guy because things started to click in my brain today after we had a long chat about photography. Incidentally, "Kauai Land, Kauai Water" contains some stunning photos. It was also fun to listen to the stories behind some of the pictures!