ER UMa outburst The next superoutburst is expected to occur soon. YYYYMMDD(UT) mag observer 20020530.919 <142 (Eddy Muyllaert) 20020530.933 144 (Gary Poyner) 20020531.926 136 (Hazel McGee) 20020531.926 <142 (Eddy Muyllaert) 20020601.933 136 (Eddy Muyllaert) 20020602.147 135 (Mike Simonsen)