TY PsA likely superoutburst YYYYMMDD(UT) mag observer 20170831.689 <149 (Hiroyuki Maehara) 20170901.625 <146 (Hiroyuki Maehara) 20170909.428 118 (Rod Stubbings) 20170909.653 117 (Hiroyuki Maehara) 20170910.437 117 (Rod Stubbings)