M4 (Globular cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 28 arcminutes across.
From Cambridge , M4 is visible between 01:30 and 02:26. It will become accessible at around 01:30, when it rises to an altitude of 20° above your southern horizon. It will reach its highest point in the sky at 01:58, 21° above your southern horizon. It will become inaccessible at around 02:26 when it sinks below 20° above your southern horizon.
|
Name
M4
|
Object type
Globular cluster
|
Position
| Right ascension: | 16h23m [3] |
| Declination: | −26°31' [3] |
| Constellation: | Scorpius |
| Magnitude: | 5.40 (V) [4] |
| Distance: | 2.2 kpc 7.2 klyr [1] |
Derived quantities
| Absolute mag (V): | -6.31 |
Sources
Events
| 28 May 2025 | – Messier 4 is well placed |
| 28 May 2026 | – Messier 4 is well placed |
| 28 May 2027 | – Messier 4 is well placed |
| 28 May 2028 | – Messier 4 is well placed |
| 28 May 2029 | – Messier 4 is well placed |
| 28 May 2030 | – Messier 4 is well placed |
| 28 May 2031 | – Messier 4 is well placed |
| 28 May 2032 | – Messier 4 is well placed |