V1504 Cyg outburst Superoutburst may be due. YYYYMMDD(UT) mag observer 20010712.308 <145 (M. Simonsen) 20010713.279 <151 (M. Simonsen) 20010714.297 <151 (M. Simonsen) 20010714.966 <155 (G. Poyner) 20010715.306 <145 (M. Simonsen) 20010720.042 <157 (G. Poyner) 20010721.989 147 (M. Reszelski)