M101 (Galaxy)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 23 arcminutes across.
From Cambridge , M101 is visible in the dawn sky, becoming accessible around 01:44 (EST), when it reaches an altitude of 21° above your north-eastern horizon. It will then reach an altitude of 51° before fading from view as dawn breaks at 05:35.
|
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 |
Sources
Events
| 22 Apr 2025 | – Messier 101 is well placed |
| 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 |