Messier 108

(Redirected from M108)

**Messier 108**
Observation data (Epoch J2000)
Galaxy	List of galaxies

Constellation	Ursa Major
Right ascension	11^h 11^m 31.0^s<ref name="ned" />
Declination	+53° 40′ 27″<ref name="ned" />
Redshift	699 ± 9 km/s<ref name="ned" />
Distance	45 Mly^{[citation needed]}
Type	SB(s)cd<ref name="ned">NASA/IPAC Extragalactic Database. Results for NGC 3556. Retrieved on 2006-10-12.</ref>
Apparent dimensions (V)	8′.7 × 2′.2<ref name="ned" />
Apparent magnitude (V)	10.7<ref name="ned" />
Notable features
Other designations
NGC 3556,<ref name="ned" /> UGC 6225<ref name="ned" />

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.<ref name="NSOG">Kepple, George Robert, Glen W. Sanner (1998). The Night Sky Observer's Guide, Volume 2. Willmann-Bell, Inc., 399. ISBN 0-943396-60-3.</ref>