QZ Vir: rapidly fading but bright peak Precursor outburst? YYYYMMDD(UT) mag observer 20220129.9444 <138 (Eddy Muyllaert) 20220130.576 156 (Rod Stubbings) 20220130.8202 150C (Masayuki Moriyama) 20220131.567 98 (Rod Stubbings) 20220131.803 108 (Hiroyuki Maehara) 20220131.9340 108 (Eddy Muyllaert) 20220201.828 120 (Hiroyuki Maehara)