DSLR magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code DELnova2013 20130817.75535 4.77Rc Iak.VSOLJ DELnova2013 20130817.75535 4.99V Iak.VSOLJ DELnova2013 20130817.75535 5.45B Iak.VSOLJ Observer: Kazuyoshi Imamura (Hyogo, Japan) Instruments: f=50mm (F/2.0) lens + Canon EOS Kiss Digital N