GZ Cnc superoutburst Jan. 8 observation may suggest a precursor. YYYYMMDD(UT) mag observer 20160106.580 124 (Rod Stubbings) 20160108.606 <145 (Tsuneo Horie) 20160109.605 124 (Rod Stubbings) 20160109.785 124 (Tsuneo Horie) 20160112.601 129 (Rod Stubbings)