object: C/1996 B2 Hyakutake date of obs: Mar 26 1996 12:55-13:05 UT place of obs: Yatsugatake Nagano Japan camera: Nikon F2, Nikkor 105mm/2.5(2.8) lens film: Hypered TP2415, D19 developer equatorial: GOTO Mark-X with comet tracker observer: Ikufumi Makino remarks: Atmospheric extinction North is about diagonal between up and left