Messier 108
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“M108” redirects here. For other uses, see M108 (disambiguation).
A Hubble Space Telescope (HST) image of M 108. |
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| Observation data: J2000 epoch | |
|---|---|
| Constellation: | Ursa Major |
| Right ascension: | 11h 11m 31.0s[1] |
| Declination: | +53° 40′ 27″[1] |
| Redshift: | 699 ± 9 km/s[1] |
| Distance: | 45 Mly[citation needed] |
| Type: | SB(s)cd[1] |
| Apparent dimensions (V): | 8′.7 × 2′.2[1] |
| Apparent magnitude (V): | 10.7[1] |
| Notable features: | |
| Other designations | |
| NGC 3556,[1] UGC 6225[1] | |
| See also: Galaxy, List of galaxies | |
Messier 108 (also known as NGC 3556) is an edge-on spiral galaxy about 45 million light-years[citation needed] away in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 or 1782.[2]
[edit] See also
- NGC 2403 - a similar spiral galaxy
- NGC 4631 - a similar spiral galaxy
- NGC 7793 - a similar spiral galaxy
[edit] External links
[edit] References
- ^ a b c d e f g h NASA/IPAC Extragalactic Database. Results for NGC 3556. Retrieved on October 12, 2006.
- ^ Kepple, George Robert; Glen W. Sanner (1998). The Night Sky Observer's Guide, Volume 2. Willmann-Bell, Inc., 399. ISBN 0-943396-60-3.
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