DDE51 outburst Known SU UMa star. YYYYMMDD(UT) mag observer 20221207.4881 <156c (Yutaka Maeda) 20221207.5850 <165C (Masayuki Moriyama) 20221208.4827 <157c (Yutaka Maeda) 20221209.5033 <160c (Yutaka Maeda) 20221211.4548 <155c (Yutaka Maeda) 20221215.6128 15.85C (Masayuki Moriyama)