Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4277  ·  IC 4278  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool Galaxy
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Messier 51 / NGC 5194 -- Whirlpool Galaxy, Rui Horta Lourenço
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Messier 51 / NGC 5194 -- Whirlpool Galaxy

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Messier 51 / NGC 5194 -- Whirlpool Galaxy, Rui Horta Lourenço
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Messier 51 / NGC 5194 -- Whirlpool Galaxy

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Description

The Whirlpool Galaxy, also known as Messier 51aM51a, and NGC 5194, is an interactinggrand-designspiral galaxy with a Seyfert 2active galactic nucleus.=10.5px It lies in the constellationCanes Venatici, and was the first galaxy to be classified as a spiral galaxy. Its distance is 31 million light-years away from Earth.The galaxy and its companion, NGC 5195, are easily observed by amateur astronomers, and the two galaxies may be seen with binoculars.=10.5px The Whirlpool Galaxy has been extensively observed by professional astronomers, who study it to understand galaxy structure (particularly structure associated with the spiral arms) and galaxy interactions.

Source: Wikipedia

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Messier 51 / NGC 5194 -- Whirlpool Galaxy, Rui Horta Lourenço