object: C/1996 B2 Hyakutake date of obs: Mar 25 1996 16:20-16:40 UT place of obs: GOTO Yatsugatake obs, Nagano Japan camera: Mamiya M645 1000S Telescope: Pentax ED75HF, f=500mm F=6.7 film: Fujichrome 1600D, direct print equatorial: GOTO Mark-X with comet tracker observer: Kunihiro Shima remarks: