V632 Cyg likely superoutburst YYYYMMDD(UT) mag observer 20201009.044 <148 (Gary Poyner) 20201009.9611 <143 (Eddy Muyllaert) 20201010.008 <148 (Gary Poyner) 20201010.567 <152 (Hiroyuki Maehara) 20201012.5456 142cG (Yutaka Maeda) 20201013.003 139 (Gary Poyner)