Thanks for the references. I'll see what I can use. -- Wayne T. Watson (121.015 Deg. W, 39.262 Deg. N, 2,701 feet) "Now is the time for all good men to come to." - Walt Kelly Web Page: http://home.earthlinkdot net/~mtnviews Imaginarium Museum: http://home.earthlinkdot net/~mtnviews/imaginarium.html To stop getting email from the 'meteorobs' list, use the Web form at: http://www.meteorobs.org/subscribe.html