ASASSN-15bu outburst Eclipsing SU UMa-type dwarf nova. YYYYMMDD(UT) mag observer 20180120.5301 <157c (Yutaka Maeda) 20180124.5738 <158c (Yutaka Maeda) 20180125.0174 17.42C (Eddy Muyllaert) 20180201.5000 <157c (Yutaka Maeda) 20180207.5118 157c (Yutaka Maeda)