# NGC 3660

> galaxy

**Wikidata**: [Q932500](https://www.wikidata.org/wiki/Q932500)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NGC_3660)  
**Source**: https://4ort.xyz/entity/ngc-3660


## References

1. SIMBAD
2. VizieR
3. [Source](https://www.wis-tns.org/object/2026cff)
4. A catalogue of quasars and active nuclei: 13th edition
5. Gaia Data Release 2
6. The Two Micron All Sky Survey (2MASS)
7. Hunting for supermassive black holes in nearby galaxies with the Hobby-Eberly telescope