BZ UMa bright outburst, rapid fading For more details, see vsnet-outburst and vsnet-campaign. YYYYMMDD(UT) mag observer 20000507.258 157 (G. Hanson) 20000507.924 <137 (G. Poyner) 20000510.167 <157 (G. Hanson) 20000511.241 <148 (G. Hanson) 20000512.007 <140 (M. Reszelski) 20000513.016 108 (M. Reszelski) 20000513.166 110 (G. Hanson) 20000513.190 110 (G. Hanson) 20000513.201 111 (G. Hanson) 20000513.224 111 (G. Hanson) 20000513.892 119 (M. Moilanen) 20000513.895 110 (C. P. Jones) 20000513.910 116 (P. A. Dubovsky)