Edge of central bulge in M81
Date: 28 May 2007
Satellite: Hubble Space Telescope
Depicts: M81
Copyright: NASA, ESA and the Hubble Heritage Team (STScI/AURA).
Acknowledgment: A. Zezas and J. Huchra (Harvard-Smithsonian Center for Astrophysics)
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Bulge-disk transition in M81 and chain of HII regions (green).
Last Update: 1 September 2019