The Andromeda Galaxy (M31)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 150 arcminutes across.
From Northridge , the Andromeda Galaxy is visible all night. It will become visible at around 20:18 (PDT), 17° above your north-eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 02:49, 82° above your northern horizon. It will be lost to dawn twilight at around 05:25, 58° above your north-western horizon.
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Name
The Andromeda Galaxy (M31)
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Object type
Galaxy
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Position
| Right ascension: | 00h42m [4] |
| Declination: | +41°16' [4] |
| Constellation: | Andromeda |
| Magnitude: | 3.44 (V) [2] 4.29 (B) [2] 2.09 (J) [2] 1.28 (H) [2] 0.98 (K) [2] |
| Hubble type: | Sb |
| Distance: | 674.5 kpc 2198.9 klyr [1] |
| B-V Color (mag): | 0.85 |
Derived quantities
| Absolute mag (V): | -20.70 |
Sources
Events
| 02 Oct 2025 | – The Andromeda Galaxy is well placed |
| 02 Oct 2026 | – The Andromeda Galaxy is well placed |
| 02 Oct 2027 | – The Andromeda Galaxy is well placed |
| 01 Oct 2028 | – The Andromeda Galaxy is well placed |
| 02 Oct 2029 | – The Andromeda Galaxy is well placed |
| 02 Oct 2030 | – The Andromeda Galaxy is well placed |
| 02 Oct 2031 | – The Andromeda Galaxy is well placed |
| 01 Oct 2032 | – The Andromeda Galaxy is well placed |