Visual magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code CETomicron 20171231.494 34 Mhh.VSOLJ LEOR 20171231.660 92 Mhh.VSOLJ MONU 20171231.658 64 Mhh.VSOLJ UMAZ 20171231.663 81 Mhh.VSOLJ Observer: Hiroyuki Maehara (Okayama, Japan) Instruments: 10cmL, 5cmR