Next Day Previous Day 2021/07/30 08:12, V= 209 km/s, W= 69 deg, PA=247 deg 2021/07/31 10:36, V= 129 km/s, W= 50 deg, PA= 67 deg 2021/07/31 17:12, V= 170 km/s, W=101 deg, PA=238 deg Time(st,pk,en)=2021/07/31 16:05, 17:48, 19:41,  Class=B2.4 Time(st,pk,en)=2021/08/02 18:29, 18:35, 18:38,  Class=B1.0 Time(st,pk,en)=2021/08/04 03:13, 03:29, 03:39,  Class=B5.9 Time(st,pk,en)=2021/08/04 12:25, 12:31, 12:35,  Class=B1.1