V811 Cyg rapid fading from bright outburst YYYYMMDD(UT) mag observer 20000904.848 <143 (E. Muyllaert) 20000904.867 <150 (M. Reszelski) 20000905.222 <143 (M. Simonsen) 20000905.822 <140 (E. Muyllaert) 20000905.894 <145 (M. Reszelski) 20000906.132 <143 (M. Simonsen) 20000906.810 <148 (T. Kinnunen) 20000906.856 <143 (E. Muyllaert) 20000907.790 <156 (T. Kinnunen) 20000909.800 134 (T. Kinnunen) 20000909.935 133 (E. Muyllaert) 20000910.790 133 (T. Kinnunen) 20000910.858 134 (E. Muyllaert) 20000910.862 138 (M. Reszelski) 20000911.790 137 (T. Kinnunen) 20000911.833 135 (E. Muyllaert) 20000912.790 136 (T. Kinnunen) 20000912.847 136 (E. Muyllaert) 20000913.198 137 (M. Simonsen) 20000913.800 137 (T. Kinnunen) 20000913.853 137 (E. Muyllaert) 20000913.857 138 (M. Reszelski) 20000914.819 138 (T. Kinnunen) 20000914.847 137 (E. Muyllaert) 20000914.876 138 (M. Reszelski) 20000915.810 139 (T. Kinnunen) 20000916.249 <140 (M. Simonsen) 20000916.810 143 (T. Kinnunen) 20000917.800 151 (T. Kinnunen) 20000917.931 147 (M. Reszelski)