KU Cas outburst YYYYMMDD(UT) mag observer 20000825.922 <141 (E. Muyllaert) 20000825.956 <150 (M. Reszelski) 20000826.891 <141 (E. Muyllaert) 20000826.958 <150 (M. Reszelski) 20000827.010 <153 (G. Poyner) 20000827.897 <141 (E. Muyllaert) 20000827.957 <138 (P. A. Dubovsky) 20000828.913 <141 (E. Muyllaert) 20000829.010 <153 (G. Poyner) 20000829.078 <141 (H. McGee) 20000829.889 139 (E. Muyllaert) 20000830.960 134 (T. Kinnunen) 20000831.269 135 (G. Hanson)