CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code OPHV1032 20120527.91894 16.11C Kai.VSOLJ OPHV1032 20120528.87000 16.10C Kai.VSOLJ OPHV1032 20120529.90900 16.16C Kai.VSOLJ Observer: Kiyoshi Kasai (Switzerland) Instruments: 28cmSCT + ST-7XME