The Great Globular Cluster in Hercules (M13)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 16 arcminutes across.
From Fairfield , the Great Globular Cluster in Hercules is visible in both the dusk and dawn skies. In the evening, it will become visible at around 17:34 (EST), 24° above your north-western horizon, as dusk fades to darkness. It will then sink towards the horizon, setting 4 hours and 5 minutes after the Sun at 20:28 (EST). In the morning, it will rise at 02:56 – 4 hours and 3 minutes before the Sun – and reach an altitude of 23° above the north-eastern horizon before fading from view as dawn breaks at around 05:48.
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Name
The Great Globular Cluster in Hercules (M13)
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Object type
Globular cluster
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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 |
Sources
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 |