CH UMa outburst, fading YYYYMMDD(UT) mag observer 20010810.892 139 (H. McGee) 20010811.890 147 (M. Reszelski) 20010813.981 <131 (M. Westlund) 20010814.885 147 (M. Reszelski) 20010815.890 147 (M. Reszelski) 20010816.917 <137 (H. McGee) 20010822.146 151 (R. J. Modic) 20010822.876 147 (M. Reszelski) 20010824.876 <137 (H. McGee) 20010825.867 138 (H. McGee) 20010828.124 <137 (H. McGee) 20010909.060 124 (H. McGee) 20010910.869 118 (H. McGee) 20010911.413 115 (R. J. Modic) 20010911.840 120: (E. Muyllaert) 20010913.806 114 (E. Muyllaert) 20010914.792 117 (Wolfgang Kriebel) 20010914.806 115 (M. Reszelski) 20010914.908 117 (H. McGee) 20010918.999 134 (M. Reszelski)