| NGC3631 / Galaxy, type SA(s)c I-II |
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| R.A. | 11h 21m 02.9s (2000.0) |
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| Dec. | +53°10' 10" (2000.0) |
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| Apparent Size | 5.0×4.7' |
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| Radial Velocity | +1143km/s |
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| Magnitude | 11.0 |
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| Distance | 70 million light yrs. |
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| Group of Galaxies | Ursa Major N Group |
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| Other IDs | UGC 6360, CGCG 268-21
Arp 27, MCG +9-19-47
IRAS 11181+5326, PGC 34767 |
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NGC3631 is a medium sized face-on galaxy in central region of Ursa Major.
We can find the galaxy out at about 5 degrees west from gamma UMa, a star that marks one of the cup of Big Dipper.
The galaxy has a visual diameter of 5 arc minutes and a brightness of about 11th magnitude.
Although you can detect the galaxy as only lump of light with telescope aided eyes, this image shows us the galaxy has clear spiral structures.
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