V811 Cyg outburst (summary) YYMMDD(UT) mag observer 981014.806 <140 (E. Muyllaert) 981015.750 <156 (T. Kinnunen) 981015.783 <143 (E. Muyllaert) 981016.760 <156 (T. Kinnunen) 981018.817 <143 (E. Muyllaert) 981019.190 <148 (G. Hanson) 981019.699 <148 (T. Kinnunen) 981019.787 <143 (E. Muyllaert) 981020.881 139 (J. Ripero) 981021.690 139 (T. Kinnunen) 981023.806 <140 (E. Muyllaert) 981024.860 <150 (T. Kinnunen) 981026.776 <143 (E. Muyllaert) 981026.869 <148 (T. Kinnunen) 981027.710 <150 (T. Kinnunen) 981101.787 <143 (E. Muyllaert) 981101.830 <140 (T. Kinnunen)