V1504 Cyg outburst update YYYYMMDD(UT) mag observer 20000918.969 <150 (G. Poyner) 20000919.149 <145 (M. Simonsen) 20000919.769 <152 (T. Kinnunen) 20000920.769 <152 (T. Kinnunen) 20000920.817 <145 (E. Muyllaert) 20000920.892 <153 (G. Poyner) 20000921.769 <152 (T. Kinnunen) 20000921.883 <145 (E. Muyllaert) 20000921.885 154 (M. Reszelski) 20000922.208 147 (M. Simonsen) 20000922.958 149 (M. Reszelski)