CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code ASASSN-17oz 20171201.617 15.81C Ioh.VSOLJ ASASSN-17pm 20171201.661 14.17C Ioh.VSOLJ Observer: Hiroshi Itoh (Tokyo, Japan) Instruments: 30cmSCT + SBIG ST-9XE 20cmSCT + ATIK 414EX