# NGC 523

> galaxy

**Wikidata**: [Q1037135](https://www.wikidata.org/wiki/Q1037135)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/NGC_523)  
**Source**: https://4ort.xyz/entity/ngc-523


## References

1. SIMBAD
2. VizieR
3. A Digital Archive of H I 21 Centimeter Line Spectra of Optically Targeted Galaxies
4. [Source](http://haroldcorwin.net/rc3/rc39b.csv.gz)
5. A survey of the Pisces-Perseus supercluster. V. The declination strip +33.5deg to +39.5deg and the main supercluster ridge
6. The Updated Zwicky Catalog (UZC)
7. The Two Micron All Sky Survey (2MASS)
8. The SDSS Photometric Catalog, Release 8
9. Cosmicflows-3
10. Galaxy groups: a 2MASS catalog