CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code 1SWASP_J162117.36+441254.2 20160605.657 13.41Rc Ioh.VSOLJ LMIRZ 20160605.487 14.76C Ioh.VSOLJ Observer: Hiroshi Itoh (Tokyo, Japan) Instruments: 30cmSCT + SBIG ST-9XE