ASASSN-19rg outburst (AM CVn) YYYYMMDD(UT) mag observer 20220517.4999 <148c (Yutaka Maeda) 20220518.5029 <153c (Yutaka Maeda) 20220521.4793 <151c (Yutaka Maeda) 20220527.4671 <147c (Yutaka Maeda) 20220602.4703 <148c (Yutaka Maeda) 20220603.4672 137:c (Yutaka Maeda)