HS Vir possible superoutburst The SU UMa-type dwarf nova HS Vir is undergoing a possible superoutburst, as reported by P. A. Dubovsky. The last superoutburst of HS Vir occurred in 2000 May. YYYYMMDD(UT) mag observer 20010513.242 <142 (M. Simonsen) 20010513.408 <148 (R. Stubbings) 20010513.551 <150 (A. Pearce) 20010513.923 <148 (P. A. Dubovsky) 20010514.478 <148 (R. Stubbings) 20010514.578 <150 (A. Pearce) 20010514.881 <148 (P. A. Dubovsky) 20010515.476 <148 (R. Stubbings) 20010519.172 <135 (M. Simonsen) 20010520.166 <142 (M. Simonsen) 20010520.881 <148 (P. A. Dubovsky) 20010522.592 <150 (A. Pearce) 20010522.885 <148 (P. A. Dubovsky) 20010524.917 137 (P. A. Dubovsky)