The Andromeda Galaxy (M31)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 150 arcminutes across.
Finder chart
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From Ashburn , the Andromeda Galaxy is difficult to observe as it will appear no higher than 17° above the horizon. It will become visible around 20:27 (EDT), 17° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 3 hours and 27 minutes after the Sun at 22:52.
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Name
The Andromeda Galaxy (M31)
|
Object type
Galaxy
|
Position
| Constellation: | Andromeda |
| Magnitude: | 3.44 (V) [2] 4.29 (B) [2] 2.09 (J) [2] 1.28 (H) [2] 0.98 (K) [2] |
| B-V Color (mag): | 0.85 |
| Hubble type: | Sb |
| Right ascension: | 00h42m [2] |
| Declination: | +41°16' [2] |
| Distance: | 674.5 kpc 2198.9 klyr [1] |
Derived quantities
| Absolute mag (V): | -20.70 |
Visibility from Ashburn
All times shown in Ashburn local time.
Events
| 02 Oct 2023 | – The Andromeda Galaxy is well placed |
| 01 Oct 2024 | – The Andromeda Galaxy is well placed |
| 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 |