BG Ari superoutburst continues YYYYMMDD(UT) mag observer 20180709.7898 <161c (Yutaka Maeda) 20180710.8206 <141c (Yutaka Maeda) 20180713.8156 <160c (Yutaka Maeda) 20180714.7897 145cG (Yutaka Maeda) 20180716.7938 145cG (Yutaka Maeda)