Visual magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code 17P 20071203.624 34 Nyh.VSOLJ CETomicron 20071203.581 83 Nyh.VSOLJ MONU 20071203.632 60 Nyh.VSOLJ ORIalpha 20071203.626 11 Nyh.VSOLJ Observer: Hiroshi Nishiyama (Ibaraki, Japan) Instruments: N, 10cmB