ASASSN-16il possible superoutburst YYYYMMDD(UT) mag observer 20200813.722 <163c (Mitsutaka Hiraga) 20200814.8039 <149c (Yutaka Maeda) 20200815.7253 <160c (Yutaka Maeda) 20201011.548 <163c (Mitsutaka Hiraga) 20201025.2843 14.439zr (Zwicky Transient Facility Lasair (Masci+ 2019))