We're up pretty high there, so things are reasonably clear all the way around. I suspect above 15º is good. Yes, there is a bit of light from Phoenix, but we've easily pulled Sculptor out with Binoculars. Tim On Jun 29, 2010, at 4:35 PM, David M. Douglass wrote: > Can you tell me what the visual "floor" is to the west ?? > What I am looking for is at what elevation can objects be seen (or not seen) > to the west. > I am pretty sure that the south would be "Phoenix Light Dome" limited, > probably about 20 degrees (guessing). > I would also assume North and East are less than 10 degrees blockage from > horizon. -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.