MASTER OT J021216.01+461154.5 likely superoutburst Time-resolved observations are encouraged. YYYYMMDD(UT) mag observer 20221224.5843 <160c (Yutaka Maeda) 20221225.5510 <159c (Yutaka Maeda) 20221225.6745 <174C (Masayuki Moriyama) 20221227.5568 <164c (Yutaka Maeda) 20221227.558 <178C (Mitsutaka Hiraga) 20221228.5281 <156c (Yutaka Maeda) 20230101.491 143C (Mitsutaka Hiraga) 20230102.532 141C (Mitsutaka Hiraga) 20230102.5492 137cG (Yutaka Maeda) 20230102.6236 141C (Masayuki Moriyama)