NGC6166(Abell2199) in Hercules Magnitude 12.0 / 490million light-years L;5min×250(2015/5/24,6/13,14,15, 2016/6/7,8, 2018/6/8.10,14,15) R;10min×14 G;10min×13 B;10min×14( 2016/5/13,14,15) 21cm f6.0 Newtonian ST8XME (天文ガイド2018年11月号掲載)