ASASSN-14ex likely superoutburst YYYYMMDD(UT) mag observer 20220124.8801 <151c (Yutaka Maeda) 20220130.8920 <132c (Yutaka Maeda) 20220201.8598 <148c (Yutaka Maeda) 20220208.8787 <149c (Yutaka Maeda) 20220210.8867 <147c (Yutaka Maeda) 20220220.4774 15.539zg (Zwicky Transient Facility Lasair (Masci+ 2019))