object: C/1995 O1 Hale-Bopp date of obs: Mar 30 1997 10:40:30-10:50:30 UT. place of obs: Nobeyama Nagano Japan camera: Pentax MX SMC 135mm/f3.5(3.5) film: Fuji SuperG ACE 800 equatorial: GOTO Mark-X auto-guiding observer: Toshihide Izumikawa remarks: