Thanks! Your suggestion (Lew Gramer) did the trick -- I used the database instead of entering my location by hand. I think the problem must have been the format I used to specify Lat and Long. -- I see that they do it differently. No, not planning any story soon on satellite observing, but you never know... -- David L. Chandler science writer The Boston Globe Boston, MA 02107 617-929-3159 FAX: 617-929-2019