HII shell in M81
![](https://cdn.sci.esa.int/documents/34247/35306/1567218749449-heic0710h410.jpg)
Date: 28 May 2007
Satellite: Hubble Space Telescope
Depicts: HII shell in M81
Copyright: NASA, ESA and the Hubble Heritage Team (STScI/AURA).
Acknowledgment: A. Zezas and J. Huchra (Harvard-Smithsonian Center for Astrophysics)
Last Update: 1 September 2019