outburst of CH UMa (summary) YYMMDD(UT) mag observer 970923.122 149: (G. Hanson) 970923.819 <144 (G. Poyner) 970923.919 <133 (M. Westlund) 970923.949 <137 (T. Kinnunen) 970925.019 <137 (B. H. Granslo) 970926.780 122 (J. Pietz) 970926.835 123 (E. Broens) 970926.915 125 (M. Westlund) 970926.940 124 (T. Kinnunen) 970927.050 124 (B. H. Granslo) 970927.285 125 (G. Hanson) 970927.485 125 (G. Hanson) 970927.780 120 (J. Pietz) 970927.79 125: (E. Schweitzer) 970927.80 127 (J. Gunther) 970927.810 122 (B. H. Granslo) 970928.060 119 (R. J. Modic) 970928.124 123 (G. Hanson) 970928.472 120 (G. Hanson) 970928.790 116 (M. Westlund) 970928.890 116 (J. Pietz) 970928.980 116 (B. H. Granslo) 970929.992 112 (B. H. Granslo) 971001.767 110 (T. Watanabe) 971001.797 109 (G. Poyner) 971001.840 113 (B. H. Granslo) 971002.023 115 (R. J. Modic) 971002.448 118 (G. Hanson) 971003.049 114 (B. H. Granslo) 971003.106 122 (G. Hanson) 971003.444 121 (G. Hanson) 971004.491 125 (G. Hanson) 971005.010 129 (B. H. Granslo) 971005.824 130 (M. Westlund) 971005.903 128 (K-G. Andersson) 971006.476 134 (G. Hanson) 971006.738 136 (T. Watanabe) 971008.805 <133 (M. Westlund) 971009.453 146 (G. Hanson) 971011.426 148 (G. Hanson)