SBS1017+533 outburst This SU UMa-type dwarf nova is reported to be in outburst. The latest outburst (superoutburst) was observed in April-May (Maehara et al.). YYMMDD(UT) mag observer 991008.119 <136 (T. Kinnunen) 991008.753 <143 (T. Watanabe) 991010.794 <140 (T. Watanabe) 991012.090 <143 (T. Kinnunen) 991017.069 <140 (T. Kinnunen) 991022.160 <136 (T. Kinnunen) 991029.060 <140 (T. Kinnunen) 991029.990 <140 (T. Kinnunen) 991102.990 <143 (T. Kinnunen) 991103.994 130 (T. Kinnunen) 991104.105 129 (T. Kinnunen)