CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code CRBR 20090715.526 15.18V Ioh.VSOLJ SDSSJ150240.98+333423.9 20090715.61221 14.50C Ioh.VSOLJ Observer: H. Itoh (Tokyo, Japan) Instruments: 30cmSCT + DSI-II + V,No filter