# NGC 20

> lenticular galaxy in the Andromeda constellation

**Wikidata**: [Q31264](https://www.wikidata.org/wiki/Q31264)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NGC_20)  
**Source**: https://4ort.xyz/entity/ngc-20


## References

1. VizieR
2. SIMBAD
3. [NASA/IPAC Extragalactic Database](http://ned.ipac.caltech.edu/cgi-bin/objsearch?search_type=Obj_id&objid=309)
4. Freebase Data Dumps. 2013
5. Comparison LEDA/SIMBAD octobre 2002. Catalogue to be published in 2003
6. The Updated Zwicky Catalog (UZC)
7. Gaia Data Release 2
8. The Two Micron All Sky Survey (2MASS)
9. Galaxy alignments in the Pisces-Perseus supercluster revisited
10. Galaxy groups: a 2MASS catalog
11. Groups of Galaxies in the Two Micron All Sky Redshift Survey