V503 Cyg outburst fading YYYYMMDD(UT) mag observer 20010718.933 <142 (E. Muyllaert) 20010720.041 <156 (G. Poyner) 20010720.069 <142 (H. McGee) 20010721.992 <155 (M. Reszelski) 20010722.196 <142 (M. Simonsen) 20010723.019 <142 (H. McGee) 20010723.957 133 (H. McGee) 20010724.919 <138 (E. Muyllaert) 20010725.288 146 (M. Simonsen)