CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code ASASSN-19ag 20190108.617 12.46C Ioh.VSOLJ ASASSN-19ag 20190109.617 12.54C Ioh.VSOLJ Observer: Hiroshi Itoh (Tokyo, Japan) Instruments: 12.7cmSCT + ATIK 414EX