# Messier 91

> galaxy

**Wikidata**: [Q14344](https://www.wikidata.org/wiki/Q14344)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Messier_91)  
**Source**: https://4ort.xyz/entity/messier-91


## References

1. SIMBAD
2. VizieR
3. [Messier 91](http://www.messier.seds.org/m/m091.html)
4. [A Catalog of Visually Classified Galaxies in the Local (z ∼ 0.01) Universe](http://adsabs.harvard.edu/abs/2015ApJS..217...27A)
5. [Source](http://haroldcorwin.net/rc3/rc39b.csv.gz)
6. Freebase Data Dumps. 2013
7. The complete census of optically selected AGNs in the Coma supercluster: the dependence of AGN activity on the local environment
8. [Revised NGC Data for NGC 4548](http://spider.seds.org/ngc/revngcic.cgi?NGC4548)
9. A catalogue of quasars and active nuclei: 13th edition
10. The Two Micron All Sky Survey (2MASS)
11. The SDSS Photometric Catalog, Release 7
12. Cosmicflows-3
13. [Cosmicflows-3](http://adsabs.harvard.edu/abs/2016AJ....152...50T)