L;10min×68(2014/2/27 3/1,8,9) R;10min×6 G;10min×6 B;10min×6(2014/3/8)
21ｃｍ f6.0 Newtonian ST7-Elpis
M51 in Canes Venatici (The Whirpool Galaxy)
Magnitude 8.4 Size 11.0'
L;10min×68(2014/2/27 3/1,8,9) R;10min×6 G;10min×6 B;10min×6(2014/3/8)
21ｃｍ f6.0 Newtonian ST7-Elpis
L;10min×30(2009/3/20) R;10min×9 B;10min×10 (2×2binning)(2008/4/1)
20ｃｍ f6.0 Newtonian ST7XME
L;10min×37(2008/4/1,29,30) R;10min×5 B;10min×5 (2×2binning)(2008/4/1)
20ｃｍ f6.0 Newtonian ST7XME
