CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code BOOOV 20170423.750 16.40C Mdy.VSOLJ CRTSJ120052.9-152620 20170423.584 13.65V Mdy.VSOLJ Observer: Yutaka Maeda (Nagasaki, Japan) Instruments: 35cmSCT + SBIG ST-10XME