NGC3953 in Ursa Major


Clear 107×300"(Jan.31 Feb.2, 4 /2022)　IR640 46×300" (Feb.5 /2022)
Ha 49×300" (Feb.12, 16 /2022)　B 26×300" (Feb.1 /2022)
21cm f6.0 Newtonian ST10XE



L;10min×40 ( 2013 / 5 / 14, 15) R;10min×9 G;10min×6 B;10min×6 (2013 / 5 / 9)
21cm f6.0 Newtonian ST7XME

L;10min×23 ( 2006 / 1 /26 , 3 / 4) R;20min×4 B;20min×4(2×2binning) (2006 / 1 / 26)
20cm f6.0 Newtonian