CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code ASASSN-16bu 20160219.581 15.01C Kis.VSOLJ ASASSN-16bu 20160223.567 15.34C Kis.VSOLJ Observer: Seiichiro Kiyota (Chiba, Japan) Instruments: 25cmSCT + Apogee Alta F47