Thanks for clearing that up, Bob. BTW, I can't help but ask a curious (and possibly stupid!) question: where did you find the formulae you used for that calculation! Is there a planetarium program you use which handles solar longs? Lew To UNSUBSCRIBE from the 'meteorobs' email list, use the Web form at: http://www.tiacdot net/users/lewkaren/meteorobs/subscribe.html