CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code BOOOV 20170415.692 16.08C Ioh.VSOLJ LMIRZ 20170415.578 14.56C Ioh.VSOLJ Observer: Hiroshi Itoh (Tokyo, Japan) Instruments: 30cmSCT + SBIG ST-9XE 20cmSCT + ATIK 414EX