CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code ASASSN-15ud 20151217.784 15.66C Mdy.VSOLJ CETGZ 20151217.576 13.65V Mdy.VSOLJ Observer: Yutaka Maeda (Nagasaki, Japan) Instruments: 35cmSCT + SBIG ST-10XME