Likely superoutburst of CU Vel The SU UMa-type dwarf nova CU Vel is undergoing a presumable superoutburst. The latest observed superoutburst was in 1997 June. YYMMDD(UT) mag observer 980707.372 <135 (R. Stubbings) 980711.690 <133 (B. Monard) 980714.368 129 (R. Stubbings) 980714.380 128 (R. Stubbings) 980714.399 125 (R. Stubbings) 980714.420 123 (R. Stubbings) 980714.694 111 (B. Monard) 980714.701 110 (B. Monard) 980715.696 108 (B. Monard) 980716.358 108 (R. Stubbings) 980716.728 108 (B. Monard)