NGC 6520
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| The star cluster NGC 6520 next to the dark cloud Barnard 86 , recorded with the MPG / ESO 2.2 m telescope . | |
| AladinLite | |
| Constellation | Sagittarius |
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Position equinox : J2000.0 |
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| Right ascension | 18 h 03 m 24.1 s |
| declination | -27 ° 53 ′ 10 ″ |
| Appearance
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| classification | I2m |
| Brightness (visual) | 7.6 likes |
| Angular expansion | 5.0 ' |
| Physical data
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| distance | 5150 ly (1577 pc ) |
| history | |
| Discovered by | Wilhelm Herschel |
| Discovery time | May 24, 1784 |
| Catalog names | |
| NGC 6520 • OCl 10 • Mel 187 • Cr 361 • ESO 456-SC042 • GC 4358 • H VII 7 • h 3721 • | |
NGC 6520 is an open star cluster of the type I2m in the constellation Sagittarius in the northern sky . It has an apparent magnitude of 7.60 mag and an angular diameter of 5 '.
The object was discovered on May 24, 1784 by Wilhelm Herschel .
Web links
- NGC 6520 with Barnard 86: on noao.edu
- ESO Views Star Cluster NGC 6520 and its Dusty Neighbor Barnard 86. on scitechdaily.com
- Spektrum .de: amateur recordings [1]