MASTER OT J054111.82+454054.9 rare? outburst Only one outburst detection in the ZTF data. YYYYMMDD(UT) mag observer 20221225.5741 <154c (Yutaka Maeda) 20221227.6662 <175C (Masayuki Moriyama) 20221227.7269 <148c (Yutaka Maeda) 20221231.8153 159:C (Masayuki Moriyama)