The Great Globular Cluster in Hercules (Globular Cluster)
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 16 arcminutes across.
Finder chart
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From Ashburn , Great Globular Cluster in Hercules is visible in the dawn sky, rising at 21:27 (EST) and reaching an altitude of 83° above the south-eastern horizon before fading from view as dawn breaks around 05:35.
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Name
Great Globular Cluster in Hercules
|
Object Type
Globular Cluster
|
Position
| Constellation: | Hercules |
| Magnitude: | 5.80 (V) [3] 4.45 (J) [2] 3.94 (H) [2] 3.85 (K) [2] |
| Right ascension: | 16h41m [2] |
| Declination: | +36°27' [2] |
| Distance: | 7.7 kpc 25.1 klyr [1] |
Derived Quantities
| Absolute mag (V): | -8.63 |
Visibility from Ashburn
All times shown in Ashburn local time.
Events
| 02 Jun 2021 | – M13 is well placed |
| 02 Jun 2022 | – M13 is well placed |
| 02 Jun 2023 | – M13 is well placed |
| 01 Jun 2024 | – M13 is well placed |
| 02 Jun 2025 | – M13 is well placed |
| 02 Jun 2026 | – M13 is well placed |
| 02 Jun 2027 | – M13 is well placed |
| 01 Jun 2028 | – M13 is well placed |