V337 Cyg outburst V337 Cyg is an SU UMa-type dwarf nova. We still need observations of superhumps in this system. YYYYMMDD(UT) mag observer 20140603.189 <168CV (Kevin B. Paxson) 20140612.033 <151 (Gary Poyner) 20140624.035 <151 (Gary Poyner) 20140629.941 151C (Jeremy Shears)