CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code 17P 20071023.803 <101C Knk.VSOLJ 17P 20071024.555 40C Knk.VSOLJ 17P 20071024.809 28C Knk.VSOLJ Observer: K. Kanatsu (Shimane, Japan) Instruments: f=50mm lens + Pentax ist*D