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