Visual magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code 3C273 20151211.862 129 Mhh.VSOLJ UMABC 20151211.854 <140 Mhh.VSOLJ UMABZ 20151211.831 <137 Mhh.VSOLJ UMACH 20151211.823 <142 Mhh.VSOLJ UMASW 20151211.836 <134 Mhh.VSOLJ Observer: Hiroyuki Maehara (Okayama, Japan) Instruments: 20cmL