object: C/1996 B2 Hyakutake date of obs: Mar 22 1996 13:52-14:22 UT place of obs: GOTO Yatsugatake obs, Nagano Japan camera: Mamiya M645 1000S Telescope: Pentax ED75HF, f=500mm F=6.7 film: Konika DD400 equatorial: GOTO Mark-X with comet tracker observer: Kunihiro Shima remarks: