DSLR magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code SGRnova2012-4 20120707.576 75c Had.VSOLJ SGRnova2012-4 20120707.577 75c Had.VSOLJ Observer: Katsumi Haseda (Aichi, Japan) Instruments: f=120mm lens + Canon EOS-5D