object: C/1996 B2 Hyakutake date of obs: Mar 25 1996 18:30-18:40 UT place of obs: Myogi Gunma Japan camera: Nikon FM2, ED Nikkor 180mm F2.8(2.8)lens film: Fujicolor ACE400, Hi-Con II developer equatorial: Takahashi EM200 observer: Shigeru Kotajima remarks: