CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code SN2005cs 20050722.491 14.28CR San.VSOLJ Observer's code: San: Yasuo Sano (Nayoro, Hokkaido,Japan) Instruments: 28cm-SCT + ST-9E 30s exp. Comparison stars: vsnet-alert 8509 stars Rmag 13.29