V542 Cyg outburst, recent data YYYYMMDD(UT) mag observer 20010718.940 <142 (E. Muyllaert) 20010719.962 <155 (G. Poyner) 20010722.182 <139 (M. Simonsen) 20010723.047 <138 (H. McGee) 20010723.978 <137 (H. McGee) 20010724.913 <138 (E. Muyllaert) 20010725.279 <142 (M. Simonsen) 20010726.083 <149 (G. Poyner) 20010726.090 <138 (H. McGee) 20010727.010 <160 (M. Reszelski) 20010727.032 <138 (H. McGee) 20010727.272 <142 (M. Simonsen) 20010729.031 133 (P. A. Dubovsky)