CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code ASASSN-17fo 20170502.551 16.38C Kis.VSOLJ ASASSN-17fo 20170504.583 16.66C Kis.VSOLJ Observer: Seiichiro Kiyota (Chiba, Japan) Instruments: 25cmSCT + Apogee Alta F47