The Clear Sky Clock forecast predicts excellent transparency for the AAMM (http://cleardarksky.com/c/AllArznSPAZkey.html?1), Saturday night. Looking at all the Arizona sites (http://cleardarksky.com/csk/prov/Arizona_clocks.shtml), it appears the northern half of the state is where to be for observing, tonight, and the southern half on Saturday. Regards, Bill in Flagstaff -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.