# VIRGOHI21

> possible dark galaxy in constellation Coma Berenices

**Wikidata**: [Q1210087](https://www.wikidata.org/wiki/Q1210087)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/VIRGOHI21)  
**Source**: https://4ort.xyz/entity/virgohi21


## References

1. A Dark Hydrogen Cloud in the Virgo Cluster
2. SIMBAD
3. Freebase Data Dumps. 2013
4. A multibeam H i survey of the Virgo cluster - two isolated H i clouds?