CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code SN2006jc 20061016.644 14.62CR San.VSOLJ Observer's code: San: Yasuo Sano (Nayoro, Hokkaido, Japan) Instruments: 28cm-SCT + ST-9E 40s exp. Comparison stars: Magnitudes based on 1 GSC2987-1655 Rmag 14.4