CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code SGRnova2012 20120422.732 91C Toa.VSOLJ SGRnova2012 20120426.733 105C Toa.VSOLJ SGRnova2012 20120427.774 109C Toa.VSOLJ Observer: Akira Takao (Fukuoka, Japan) Instruments: 100mmF4 lens + STL-6303E (unfiltered)