NSV 2026 likely superoutburst YYYYMMDD(UT) mag observer 20161109.619 <137 (Tsuneo Horie) 20161111.668 152C (Masayuki Moriyama) 20161122.663 <137 (Tsuneo Horie) 20161122.931 <141 (Eddy Muyllaert) 20161125.952 140 (Eddy Muyllaert) 20161126.929 132 (Eddy Muyllaert)