According to Rod Stubbings, the eclipsing SU UMa-type dwarf nova OU Vir is likely undergoing an outburst (superoutburst?). YYYYMMDD(UT) mag observer 20100521.503 <174C (Hiroyuki Maehara) 20100603.523 153 (Rod Stubbings) 20100603.526 160 (Rod Stubbings) eclipse 20100603.538 152 (Rod Stubbings)