Steve wrote: ...mediocre at a 5, I would give the seeing a 6, because we pretty easily split Theta Aurigae, a fairly close and quite differing magnitude binary star. Evidently Tom uses it as a test of the night... --- Actually, Theta Aurigae is a pretty wide double that is easily split on a night of soft seeing. I am only interested in it because the two components have a large magnitude difference. It provides a good demonstration that magnitude difference is not as large a factor as it is sometimes thought to be and making doubles difficult to split. Tom -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.