DSLR magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code VIRV339 20100516.45189 7.32cG Nga.VSOLJ VIRV339 20100517.45362 7.43cG Nga.VSOLJ Observer: K. Nagai (Kanagawa, Japan) Instruments: f=105mm lens + Canon EOS Kiss Digital (measured from G-channel images; magnitude references: Hipparcos/Tycho V mag)