DSLR magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code SCTR 20100909.42427 4.99cG Nga.VSOLJ SGRV356 20100909.42696 6.69cG Nga.VSOLJ Observer: K. Nagai (Kanagawa, Japan) Instruments: f=135mm(f3.5) lens + Canon EOS Kiss digital (measured from G-channel images; magnitude references: Tycho2 V mag)