MKN421 fading continues YYYYMMDD(UT) mag observer 20000610.928 132 (C. P. Jones) 20000611.199 131 (G. Hanson) 20000612.918 129 (C. P. Jones) 20000617.964 132 (G. Poyner) 20000618.962 132 (G. Poyner) 20000618.964 133 (H. McGee) 20000620.178 133 (G. Hanson) 20000621.949 134 (H. McGee) 20000621.976 132 (G. Poyner) 20000622.192 134 (G. Hanson) 20000623.176 134 (G. Hanson) 20000625.173 135 (G. Hanson) 20000626.974 132 (G. Poyner) 20000627.899 138 (J. Ripero) 20000703.169 135 (G. Hanson) 20000704.125 135 (G. Hanson) 20000704.892 135V (D. Rodriguez) 20000705.203 136 (G. Hanson) 20000706.174 137 (G. Hanson) 20000707.173 137 (G. Hanson) 20000707.908 135 (C. P. Jones) 20000711.901 134: (C. P. Jones) 20000712.173 138: (G. Hanson) 20000714.944 133 (G. Poyner) 20000715.895 134 (C. P. Jones) 20000716.941 134 (G. Poyner) 20000717.944 134 (G. Poyner) 20000718.126 135 (G. Hanson) 20000718.899 134: (C. P. Jones) 20000719.124 135 (G. Hanson)