| NGC 6539 | |
|---|---|
Globular cluster NGC 6539 |
|
| Observation data (2000 epoch) | |
| Constellation | Serpens |
| Right ascension | 18h 04m 48.0s |
| Declination | -07° 35′ 00″ |
| Apparent magnitude (V) | 9.6 |
| Apparent dimensions (V) | 7.9 |
| Physical characteristics | |
| Other designations | GCL 85 |
| See also: Open cluster, List of open clusters | |
NGC 6539 (also GCL 85) is a globular cluster in the constellation Serpens. It was discovered by Theodor Brorsen in 1856.[1][2]