BL Lac recent (cont'd) YYYYMMDD(UT) mag observer 20010821.317 <143 (M. Simonsen) 20010821.876 <143 (E. Muyllaert) 20010821.892 154 (M. Verdenet) 20010822.889 153 (M. Verdenet) 20010823.975 155 (M. Verdenet) 20010824.890 151 (M. Verdenet) 20010824.958 142 (C. P. Jones) 20010824.990 148 (P. A. Dubovsky) 20010825.892 <143 (E. Muyllaert) 20010826.163 154 (M. Verdenet) 20010826.942 149 (G. Poyner) 20010827.032 148: (P. A. Dubovsky) 20010827.186 <141 (M. Simonsen) 20010827.905 <143 (E. Muyllaert) 20010827.962 145 (C. P. Jones) 20010827.985 151 (G. Poyner) 20010828.933 148 (C. P. Jones) 20010829.885 <143 (E. Muyllaert) 20010830.071 147 (M. Reszelski) 20010904.956 154: (C. P. Jones) 20010905.830 149 (M. Verdenet) 20010905.853 <137 (J. Ripero) 20010906.865 <143 (E. Muyllaert) 20010907.962 <143 (J. Ripero) 20010908.819 <138 (J. Ripero) 20010908.874 <143 (E. Muyllaert) 20010908.996 152 (G. Poyner) 20010909.828 <143 (J. Ripero) 20010909.919 147 (M. Verdenet) 20010910.824 <137 (J. Ripero) 20010911.106 <144 (M. Simonsen) 20010912.835 146 (M. Verdenet) 20010913.006 153 (G. Poyner) 20010913.958 <137 (J. Ripero) 20010914.842 148 (M. Verdenet) 20010915.990 153 (F. Pujol) 20010915.999 <144 (M. Simonsen) 20010916.824 <143 (J. Ripero) 20010917.832 151 (M. Verdenet) 20010918.833 <143 (J. Ripero) 20010920.835 150 (M. Verdenet)