Messier 105

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**Messier 105**
Observation data (Epoch J2000)
Galaxy	List of galaxies
M105, as viewed by the HST; Credit: NASA
Constellation	Leo
Right ascension	10^h 47^m 49.6^s<ref name="ned">NASA/IPAC Extragalactic Database. Results for M105. Retrieved on 2006-11-16.</ref>
Declination	+12° 34′ 54″<ref name="ned" />
Redshift	911 ± 2 km/s<ref name="ned" />
Distance	34.5 ± 1.7 Mly (10.6 ± 0.5 Mpc)<ref name="tonryetal2001">J. L. Tonry, A. Dressler, J. P. Blakeslee, E. A. Ajhar, A. B. Fletcher, G. A. Luppino, M. R. Metzger, C. B. Moore (2001). "The SBF Survey of Galaxy Distances. IV. SBF Magnitudes, Colors, and Distances". Astrophysical Journal 546 (2): 681-693.</ref>
Type	E1<ref name="ned" />
Apparent dimensions (V)	5′.4 × 4′.8<ref name="ned" />
Apparent magnitude (V)	10.2<ref name="ned" />
Notable features
Other designations
NGC 3379,<ref name="ned" /> UGC 5902,<ref name="ned" /> PGC 32256<ref name="ned" />

Messier 105 (also known as NGC 3379) is an elliptical galaxy in the constellation Leo. It was discovered by Pierre Méchain in 1781. Messier 105 is known to have a supermassive black hole.

[edit] Environment

M95 is ony of several galaxies within the M96 Group, a group of galaxies in the constellation Leo. The group also includes the Messier objects M95 and M96.<ref name="nbg">R. B. Tully (1988). Nearby Galaxies Catalog. Cambridge: Cambridge University Press. ISBN 0-521-35299-1.</ref><ref name="fouqueetal1992">P. Fouque, E. Gourgoulhon, P. Chamaraux, G. Paturel (1992). "Groups of galaxies within 80 Mpc. II - The catalogue of groups and group members". Astronomy and Astrophysics Supplement 93: 211-233.</ref><ref name="garcia1993">A. Garcia (1993). "General study of group membership. II - Determination of nearby groups". Astronomy and Astrophysics Supplement 100: 47-90.</ref><ref name="giuricinetal2002">G. Giuricin, C. Marinoni, L. Ceriani, A. Pisani (2000). "Nearby Optical Galaxies: Selection of the Sample and Identification of Groups". Astrophysical Journal 543: 178-194.</ref>