SS UMi likely superoutburst update YYYYMMDD(UT) mag observer 20010520.033 <160 (G. Poyner) 20010520.901 <156 (M. Reszelski) 20010520.912 <142 (E. Muyllaert) 20010520.965 <147 (P. A. Dubovsky) 20010522.024 <153 (G. Poyner) 20010522.912 <142 (E. Muyllaert) 20010522.915 <156 (M. Reszelski) 20010523.047 <154 (G. Poyner) 20010523.912 146 (M. Reszelski) 20010523.967 140 (G. Poyner) 20010524.901 142 (M. Reszelski) 20010524.919 145 (J. Ripero) 20010524.933 145 (P. A. Dubovsky)