Fading of BL Lac BL Lac has faded rather monotonously since the end of August, as indicated by the following observations. Observations are still urged in order to catch potential sharp brightenings (and short-term variation) as observed earlier during the current active state. YYMMDD(UT) mag observer 970829.847 135 (T. Kinnunen) 970829.885 137 (T. Kinnunen) 970829.951 138 (T. Kinnunen) 970830.592 140 (S. Takahashi) 970830.803 139 (T. Kinnunen) 970830.833 139 (T. Kinnunen) 970830.88 134 (M. Verdenet) 970830.903 139 (T. Kinnunen) 970830.948 142 (T. Kinnunen) 970830.998 139 (T. Kinnunen) 970831.801 141 (T. Kinnunen) 970831.835 142 (T. Kinnunen) 970831.869 142 (T. Kinnunen) 970831.87 142 (M. Verdenet) 970831.912 143 (T. Kinnunen) 970831.951 143 (T. Kinnunen) 970831.998 142 (T. Kinnunen) 970901.028 143 (T. Kinnunen) 970901.807 150 (T. Kinnunen) 970901.858 150 (T. Kinnunen) 970901.860 147 (G. Poyner) 970901.894 149 (T. Kinnunen) 970901.896 146 (G. Poyner) 970901.926 150 (T. Kinnunen) 970901.933 147 (G. Poyner) 970901.953 150 (T. Kinnunen) 970901.976 147 (G. Poyner) 970902.017 145 (G. Poyner) 970902.060 146 (G. Poyner) Regards, Taichi Kato