Discovered by the German astronomer Johann Elert Bode in 1774, M81 is one of the brightest galaxies in the night sky. It is located 11.6 million light-years from Earth in the constellation Ursa Major and has an apparent magnitude of 6.9. Through a pair of binoculars, the galaxy appears as a faint patch of light in the same field of view as M82. A small telescope will resolve M81’s core. The galaxy is best observed during April.
NASA/ESA Image: https://stsci-opo.org/STScI-01EVVJ6MRH3DF6GZY5ZSVA0BVX.jpg
Audio: Som ET - 21 - M81
Credit: NASA, ESA/Hubble, Digitized Sky Survey 2, the Hubble Heritage Team (STScI/AURA).
Acknowledgment: A. Zezas, J. Huchra (Harvard-Smithsonian Center for Astrophysics) and Davide De Martin (ESA/Hubble).
#NASA #Hubble #galaxy #galaxia #galaxies #M81 #Messier81 #ESA #space #universe #stars #telescope
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