Next Day Previous Day 2020/04/15 00:18, V=  80 km/s, W=104 deg, PA=276 deg 2020/04/15 00:24, V= 180 km/s, W=102 deg, PA= 86 deg 2020/04/16 14:24, V= 298 km/s, W= 53 deg, PA= 84 deg Time(st,pk,en)=2020/04/18 06:40, 06:41, 06:43,  Class=A1.1