DSLR magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code SCTR 20120819.46480 4.966Rc Nga.VSOLJ SCTR 20120819.46480 5.684V Nga.VSOLJ SCTR 20120819.46480 7.254B Nga.VSOLJ Observer: K. Nagai (Kanagawa, Japan) Instruments: f=105mm(F/5.6) lens + Canon EOS Kiss digital (measured from RGB channels of unfiltered images)