CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code ATLAS18olb 20180603.603 15.34C Ioh.VSOLJ ATLAS18olb 20180604.676 15.35C Ioh.VSOLJ Observer: Hiroshi Itoh (Tokyo, Japan) Instruments: 20cmSCT + ATIK 414EX