The Great Globular Cluster in Hercules (M13)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 16 arcminutes across.
Finder chart
Click and drag the chart above to pan around the sky, or use the mouse wheel to zoom.
Click to enlarge.
From Cambridge , the Great Globular Cluster in Hercules is visible all night. It will become visible at around 21:10 (EDT), 33° above your eastern horizon, as dusk fades to darkness. It will then reach its highest point in the sky at 02:16, 84° above your southern horizon. It will be lost to dawn twilight at around 04:09, 67° above your western horizon.
Begin typing the name of a town near to you, and then select the town from the list of options
which appear below.
|
Name
The Great Globular Cluster in Hercules (M13)
|
Object type
Globular cluster
|
Position
| Right ascension: | 16h41m [3] |
| Declination: | +36°27' [3] |
| Constellation: | Hercules |
| Magnitude: | 5.80 (V) [4] 4.45 (J) [3] 3.94 (H) [3] 3.85 (K) [3] |
| Distance: | 7.7 kpc 25.1 klyr [1] |
Derived quantities
| Absolute mag (V): | -8.63 |
Visibility from Cambridge
All times shown in Cambridge local time.
Events
| 02 Jun 2025 | – The Great Globular Cluster in Hercules is well placed |
| 02 Jun 2026 | – The Great Globular Cluster in Hercules is well placed |
| 02 Jun 2027 | – The Great Globular Cluster in Hercules is well placed |
| 01 Jun 2028 | – The Great Globular Cluster in Hercules is well placed |
| 02 Jun 2029 | – The Great Globular Cluster in Hercules is well placed |
| 02 Jun 2030 | – The Great Globular Cluster in Hercules is well placed |
| 02 Jun 2031 | – The Great Globular Cluster in Hercules is well placed |
| 01 Jun 2032 | – The Great Globular Cluster in Hercules is well placed |