I use Heavens Above for a quick forecast of any visual sightings, but I use IT for accurate AZ/EL printout information in the event of a partial overcast... The "seeing" is generally not very good in San Diego to begin with, and I live away from the city lights.... 73, Dave, WB6LLO dguimon1 at san.rr.com Disagree: I learn.... Pulling for P3E...