SS UMi likely superoutburst This SU UMa-type dwarf nova is undergoing a superoutburst, as reported by Gary Poyner. The latest superoutburst was reported in 1999 September - October (Muyllaert et al.). YYMMDD(UT) mag observer 991119.767 <147 (G. Poyner) 991121.541 <158 (G. Hanson) 991129.726 <150 (G. Poyner) 991129.816 <142 (P. A. Dubovsky) 991201.807 <150 (G. Poyner) 991203.887 <154 (G. Poyner) 991204.796 145 (G. Poyner) 991206.926 <142 (P. A. Dubovsky) 991207.756 153 (G. Poyner) 991213.762 141 (G. Poyner) 991215.751 139 (G. Poyner)