# NGC 6520

> open cluster in Sagittarius

**Wikidata**: [Q1368288](https://www.wikidata.org/wiki/Q1368288)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NGC_6520)  
**Source**: https://4ort.xyz/entity/ngc-6520


## References

1. SIMBAD
2. VizieR
3. Freebase Data Dumps. 2013
4. A RAVE investigation on Galactic open clusters
5. Astrophysical parameters of Galactic open clusters
6. The orbits of open clusters in the Galaxy
7. Proper motions of the optically visible open clusters based on the UCAC4 catalog