# NGC 6521

> galaxy

**Wikidata**: [Q1146282](https://www.wikidata.org/wiki/Q1146282)  
**Source**: https://4ort.xyz/entity/q1146282


## References

1. SIMBAD
2. Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003
3. Roma-BZCAT: a multifrequency catalogue of blazars
4. Gaia Data Release 2
5. The Two Micron All Sky Survey (2MASS)
6. Cosmicflows-3
7. Galaxy groups: a 2MASS catalog
8. Cosmicflows-2: the data