V632 Cyg superoutburst YYYYMMDD(UT) mag observer 20160430.765 <161c (Mitsutaka Hiraga) 20160503.801 <159c (Mitsutaka Hiraga) 20160504.788 135 (Hiroyuki Maehara) 20160506.009 137 (Eddy Muyllaert) 20160506.994 138 (Eddy Muyllaert)