# NGC 666

> spiral galaxy

**Wikidata**: [Q1038087](https://www.wikidata.org/wiki/Q1038087)  
**Source**: https://4ort.xyz/entity/ngc-666


## References

1. The K‐Band Galaxy Luminosity Function
2. SIMBAD
3. Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003
4. The Updated Zwicky Catalog (UZC)
5. Gaia Data Release 2
6. The Two Micron All Sky Survey (2MASS)
7. Galaxy alignments in the Pisces-Perseus supercluster revisited
8. Galaxy groups: a 2MASS catalog
9. Groups of Galaxies in the Two Micron All Sky Redshift Survey