CCD magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code ASASSN-15tx 20151219.437 17.71C Ioh.VSOLJ CRTS_J050124.1+203818 20151219.508 <161C Ioh.VSOLJ UMAKS 20151219.748 16.14C Ioh.VSOLJ Observer: Hiroshi Itoh (Tokyo, Japan) Instruments: 30cmSCT + ST-9XE