PU Per superoutburst (update) YYMMDD(UT) mag observer 980920.030 <154 (T. Kinnunen) 980921.041 <154 (G. Poyner) 980921.919 <150 (T. Kinnunen) 980922.880 <150 (T. Kinnunen) 980924.919 <150 (T. Kinnunen) 980925.871 148 (T. Kinnunen) 980926.522 14.76V (J. Kemp) 980926.926 148 (T. Vanmunster) 980929.840 149 (T. Kinnunen) 980929.967 154C (T. Vanmunster) 980930.115 150 (T. Kinnunen) 980930.872 149 (T. Kinnunen) 980930.903 157C (T. Vanmunster) 981001.090 152 (T. Kinnunen) 981001.853 151 (T. Kinnunen) 981002.717 15.55C (Ouda team) 981002.883 153 (T. Kinnunen) 981003.092 <154 (G. Poyner) 981003.701 15.68C (Ouda team) 981004.762 15.85C (Ouda team)