Suzuki-san has reported that SU UMa is in outburst. CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code UMASU 20170527.45763 12.23B Suz.VSOLJ UMASU 20170527.45839 12.19V Suz.VSOLJ UMASU 20170527.45918 12.21Ic Suz.VSOLJ Observer: H. Suzuki (Tokyo, Japan) Instruments: 25cmSCT + AtikOne6.0