CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code ASASSN-17oz 20171203.703 16.08C Ioh.VSOLJ ASASSN-17oz 20171205.690 16.18C Ioh.VSOLJ Observer: Hiroshi Itoh (Tokyo, Japan) Instruments: 30cmSCT + SBIG ST-9XE