CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code ASASSN-17fn 20170507.571 16.21C Ioh.VSOLJ ASASSN-17fo 20170507.471 15.34C Ioh.VSOLJ BOOOV 20170507.703 16.92C Ioh.VSOLJ LMIRZ 20170507.514 16.99C Ioh.VSOLJ Observer: Hiroshi Itoh (Tokyo, Japan) Instruments: 30cmSCT + SBIG ST-9XE 20cmSCT + ATIK 414EX