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M110

NGC 205

Elliptical Galaxy in Andromeda

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Proper Name	None
Messier Number	M110
NGC/IC Number	NGC 205
Constellation	Andromeda
Right Ascension	0h 40m 22s
Declination	+41° 41' 8"
Distance	c.2,700,000 light years c.830,000 parsecs
Magnitude	Apparent: +8.1 Absolute: -16.5
Diameter	Apparent: 16.2' Actual: 12,800 light years
Hubble Type	E6 Elliptical
Optimum Visibility	October
Notes	This dwarf elliptical galaxy is thought to have been captured by the gravity of the much larger Andromeda Galaxy, and is now one of many smaller galaxies that follow an orbit around the massive Andromeda spiral.

The dwarf elliptical M110 is an attendant galaxy to the much larger Andromeda Galaxy, the outer arms of which can be seen to the southeast (lower left) of this image. Imagery provided by Aladin sky atlas

The last item in the Messier Catalogue was not in fact included by Charles Messier himself, but is one of seven objects added posthumously. It is one of the Andromeda Galaxy's pair of major satellite galaxies (the other, M32, was catalogued by Messier himself). It is a narrowed ellipse in form, classified as E5 or E6 on the Hubble system.

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