ASASSN-16og superoutburst Precursor on Nov. 3? YYYYMMDD(UT) mag observer 20181024.6665 <153c (Yutaka Maeda) 20181025.6314 <157c (Yutaka Maeda) 20181026.6509 <154c (Yutaka Maeda) 20181103.8595 155cG (Yutaka Maeda) 20181104.8039 162cG (Yutaka Maeda) 20181105.5922 153cG (Yutaka Maeda) 20181106.6025 154c (Yutaka Maeda)