CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code ASASSN-18do 20180227.537 16.09C Ioh.VSOLJ ASASSN-18dw 20180227.506 14.04C Ioh.VSOLJ Observer: Hiroshi Itoh (Tokyo, Japan) Instruments: 30cmSCT + SBIG ST-9XE 20cmSCT + ATIK 414EX