Andromeda Galaxy (M 31)
Andromeda Galaxy (M 31) is a galaxy in the constellation Andromeda, magnitude 3.4, 3.0° × 1.2° across.
The nearest large spiral galaxy, about 2.5 million light-years away and the most distant object easy to see with the naked eye. Binoculars show its long, bright core; telescopes add its companions M32 and M110 and, under dark skies, a dust lane.
When and where to see it
It is best placed in the evening sky around November, when it crosses the meridian at about 10 pm local time (around midnight in October). It can be seen from everywhere north of 49°S and never sets north of 49°N.
At its highest it stands 81° up from 50°N, 84° up from 35°N, 49° up from the equator, 14° up from 35°S.
Facts
- Type
- Galaxy
- Constellation
- Andromeda
- Designations
- M 31, NGC 224
- Magnitude
- 3.4
- Apparent size
- 3.0° × 1.2°
- Position
- RA 0h 42.7m, Dec +41° 16′ (J2000)
Open AstroPilot to see when Andromeda Galaxy (M 31) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view.