M101 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 23 arcminutes across.
Finder chart
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From Cambridge , M101 is visible all night. It will become visible at around 21:53 (EDT), 72° above your north-western horizon, as dusk fades to darkness. It will be lost to dawn twilight at around 03:37, 25° above your north-western horizon.
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|
Name
M101
|
Object type
Galaxy
|
Position
| Right ascension: | 14h03m [4] |
| Declination: | +54°20' [4] |
| Constellation: | Ursa Major |
| Magnitude: | 7.90 (V) [5] 8.36 (B) [2] 6.52 (J) [2] 5.81 (H) [2] 5.51 (K) [2] |
| Hubble type: | SABc |
| Distance: | 7.4 Mpc 24.0 Mlyr [1] |
| B-V Color (mag): | 0.46 |
Derived quantities
| Absolute mag (V): | -21.43 |
Visibility from Cambridge
All times shown in Cambridge local time.
Events
| 23 Apr 2026 | – Messier 101 is well placed |
| 23 Apr 2027 | – Messier 101 is well placed |
| 22 Apr 2028 | – Messier 101 is well placed |
| 22 Apr 2029 | – Messier 101 is well placed |
| 23 Apr 2030 | – Messier 101 is well placed |
| 23 Apr 2031 | – Messier 101 is well placed |
| 22 Apr 2032 | – Messier 101 is well placed |
| 22 Apr 2033 | – Messier 101 is well placed |