------------------- Yoshiro Yamada | tel : +81-45-832-1166 Astronomy Section | fax : +81-45-832-1161 Yokohama Science Center | e-mail : yamada@ysc.go.jp 5-2-1 Yokodai Isogo-ku | lat. : 35d22'26" N Yokohama 235, JAPAN | long. :139d35'52" E