Visual magnitude estimates by MAEDA Yutaka(VSOLJ member) object YYYYMMDD(UT) mag code SGRV4641 20070520.663 128 Mdy.VSOLJ SGRV4641 20070520.678 128 Mdy.VSOLJ SGRV4641 20070520.705 129 Mdy.VSOLJ Instrument 25cm SC MAEDA Yutaka Nagasaki Japan