Hercules Globular Cluster (M 13)
Hercules Globular Cluster (M 13) is a globular cluster in the constellation Hercules, magnitude 5.8, 17′ across.
The Great Globular Cluster in Hercules, the finest in the northern sky: binoculars show a bright fuzzy ball, and a 6-inch telescope resolves hundreds of stars. It lies on the western side of the Keystone asterism.
When and where to see it
It is best placed in the evening sky around July, when it crosses the meridian at about 10 pm local time (around midnight in June). It can be seen from everywhere north of 54°S and never sets north of 54°N.
At its highest it stands 76° up from 50°N, 89° up from 35°N, 54° up from the equator, 19° up from 35°S.
Facts
- Type
- Globular cluster
- Constellation
- Hercules
- Designations
- M 13, NGC 6205, Great Hercules Cluster
- Magnitude
- 5.8
- Apparent size
- 17′
- Position
- RA 16h 41.7m, Dec +36° 28′ (J2000)
Open AstroPilot to see when Hercules Globular Cluster (M 13) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view.