V516 Cyg outburst YYYYMMDD(UT) mag observer 20010618.989 <142 (E. Muyllaert) 20010621.014 <150 (M. Reszelski) 20010624.989 <142 (E. Muyllaert) 20010625.003 <150 (M. Reszelski) 20010625.038 <152 (G. Poyner) 20010625.985 <142 (E. Muyllaert) 20010625.990 <152 (M. Reszelski) 20010628.980 <142 (E. Muyllaert) 20010629.298 <142 (M. Simonsen) 20010629.921 138 (M. Reszelski) 20010630.017 138 (G. Poyner) 20010630.334 138 (M. Simonsen)