BL Lac active, update YYYYMMDD(UT) mag observer 20020821.869 152 (Timo Kinnunen) 20020822.869 153 (Timo Kinnunen) 20020823.928 <143 (Eddy Muyllaert) 20020824.860 153 (Timo Kinnunen) 20020824.874 <143 (Eddy Muyllaert) 20020825.024 153 (Gary Poyner) 20020825.899 153 (Timo Kinnunen) 20020827.972 152: (Gary Poyner) 20020829.042 152 (Gary Poyner) 20020829.224 <144 (Mike Simonsen) 20020829.878 <143 (Jose Ripero) 20020829.926 <143 (Eddy Muyllaert) 20020830.892 144 (Jose Ripero) 20020830.898 146: (Eddy Muyllaert) 20020901.210 145 (Mike Simonsen)