CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code DELnova2013 20130819.75116 4.88Rc Iak.VSOLJ DELnova2013 20130819.75116 5.11V Iak.VSOLJ DELnova2013 20130819.75116 5.58B Iak.VSOLJ Observer: Kazuyoshi Imamura (Hyogo, Japan) Instruments: f=50mm (F/4.0) lens + Canon EOS Kiss Digital N