Man, I knew I'd forget some details in that post. Kitt Peak is about 60 miles away from Dean's site on Mount Lemmon. That's a lot of atmosphere between us and the domes. That really is a pair of sunspots on the right in the first image. I had almost forgotten that they exist. -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.