V1504 Cyg outburst update YYYYMMDD(UT) mag observer 20001016.719 <151 (T. Kinnunen) 20001016.849 <155 (G. Poyner) 20001017.730 <151 (T. Kinnunen) 20001017.772 <145 (E. Muyllaert) 20001018.710 <151 (T. Kinnunen) 20001019.153 <143 (M. Simonsen) 20001019.758 <145 (E. Muyllaert) 20001019.953 <155 (G. Poyner) 20001020.087 150V (S. O'Connor) 20001020.174 150V (S. O'Connor) 20001020.710 149: (T. Kinnunen) 20001020.797 <145 (M. Reszelski)