ASASSN-13bm: likely superoutburst YYYYMMDD(UT) mag observer 20220401.8045 <158c (Yutaka Maeda) 20220402.7996 <156c (Yutaka Maeda) 20220404.8103 <161c (Yutaka Maeda) 20220406.8031 <158c (Yutaka Maeda) 20220409.7556 143cG (Yutaka Maeda)