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) 980930.115 150 (T. Kinnunen) 980930.872 149 (T. Kinnunen) 981001.090 152 (T. Kinnunen) 981001.853 151 (T. Kinnunen) 981002.883 153 (T. Kinnunen) 981003.092 <154 (G. Poyner)