# Messier 77

> spiral galaxy in the constellation Cetus

**Wikidata**: [Q14017](https://www.wikidata.org/wiki/Q14017)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Messier_77)  
**Source**: https://4ort.xyz/entity/messier-77


## References

1. SIMBAD
2. [NASA/IPAC Extragalactic Database](http://ned.ipac.caltech.edu/cgi-bin/nph-objsearch?objname=MESSIER%2077&extend=no)
3. VizieR
4. [Messier 77](http://www.messier.seds.org/m/m077.html)
5. A catalog of visually classified galaxies in the local (z ~ 0.01) universe
6. [Source](http://haroldcorwin.net/rc3/rc39b.csv.gz)
7. Freebase Data Dumps. 2013
8. The complete census of optically selected AGNs in the Coma supercluster: the dependence of AGN activity on the local environment
9. The GALEX Ultraviolet Atlas of Nearby Galaxies
10. The HIPASS catalogue — III. Optical counterparts and isolated dark galaxies
11. The Two Micron All Sky Survey (2MASS)
12. Galaxy groups: a 2MASS catalog
13. The ATLAS3D project - I. A volume-limited sample of 260 nearby early-type galaxies: science goals and selection criteria