Faint Iridium flares have a much shallower intensity profile. They brighten and fade only slowly. Personally I can't see how an Iridium flare could be confused with a meteor, except possibly in daylight. Robert H. McNaught rmn@aaocbn.aaodot gov.au To UNSUBSCRIBE from the 'meteorobs' email list, use the Web form at: http://www.tiacdot net/users/lewkaren/meteorobs/subscribe.html