NGC3184 in Ursa Major
Magnitude 9.8 Size 6.9'

No Filter ; 5min×24 (2023 / 1 / 25)
IR640 ; 5min×59 (2023 / 1 / 12, 29)
B;5min×45 (2023 / 1 / 28)
Hα; 5min×49 (2023 / 1 / 30)
21ｃｍ f6.0 Newtonian
ASI533MMpro




L;10min×45 5min×78 ( 2011 / 1 /4 , 27 , 28 , 2 / 6) R;10min×6 B;10min×8(2×2binning) (2011 / 1 / 8)
21cm f6.0 Newtonian ST7XME

L;10min×72 ( 2008 / 1 /2 , 3 , 5 , 6 , 9 , 10) R;10min×6 B;10min×6(2×2binning) (2008 / 1 / 3)
20cm f6.0 Newtonian ST7XME