DSLR magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code GEMR 20180314.471 7.09cG Sto.VSOLJ GEMR 20180315.460 7.13cG Sto.VSOLJ GEMR 20180317.472 7.16cG Sto.VSOLJ Observer: Hideo Sato (Chiba, Japan) Instruments: f.l.=100mm F=3.5 lens + Canon EOS 6D