DM CMa: remains bright According to Rod Stubbings, this possible dwarf nova has remained bright for more than four days. YYYYMMDD(UT) mag observer 20110126.467 <147 (Rod Stubbings) 20110127.483 150 (Rod Stubbings) 20110128.465 147 (Rod Stubbings) 20110129.476 147 (Rod Stubbings) 20110130.474 147 (Rod Stubbings)