Visual magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code 17P 20071231.572 38 Nyh.VSOLJ CETomicron 20071231.354 45 Nyh.VSOLJ MONU 20071231.610 60 Nyh.VSOLJ ORIalpha 20071231.627 09 Nyh.VSOLJ VULV459 20071231.369 81 Nyh.VSOLJ Observer: Hiroshi Nishiyama (Ibaraki, Japan) Instruments: N, 5cmB, 10cmB