DSLR magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code SGRV5668 20151024.381 89c Ymo.VSOLJ SGRV5668 20151025.382 88c Ymo.VSOLJ SGRV5669 20151025.382 102c Ymo.VSOLJ Observer: M. Yamamoto (Aichi, Japan) Instruments: f=135mm(F3.5) lens