Whirlpool Galaxy
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The Whirlpool Galaxy, also known as Messier 51a or NGC 5194, is an interacting grand-design spiral galaxy with a Seyfert 2 active galactic nucleus. It lies in the constellation Canes Venatici, and was the first galaxy to be classified as a spiral... Wikipedia
Distance to Earth: 31 million light years
Age: 400.3 million years
Radius: 30,000 light years
Apparent mass: ~160 billion M☉
Coordinates: RA 13h 29m 53s | Dec +47° 11′ 43″
Stars: 100 billion
Constellation: Canes Venatici