CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code PNV_J18580379+1701265 20170223.837 16.65V Ioh.VSOLJ SCOnova2017 20170223.849 14.22V Ioh.VSOLJ Observer: Hiroshi Itoh (Tokyo, Japan) Instruments: 12.7cmSCT + ATIK 414EX