PU Per outburst SU UMa-type dwarf nova, not well studied during past superoutburst. Time-series observations are requested. YYYYMMDD(UT) mag observer 20150810.994 <156 (Pavol A. Dubovsky) 20150816.028 <156 (Pavol A. Dubovsky) 20150825.042 <156 (Pavol A. Dubovsky) 20151003.144 15.41C (Eddy Muyllaert)