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Pinwheel Galaxy

The Pinwheel Galaxy is a face-on spiral galaxy located 21 million light-years from Earth in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 and was communicated that year to Charles Messier, who verified its position for... Wikipedia
Coordinates: RA 14h 3m 13s | Dec +54° 20′ 57″
Stars: 1 trillion
Radius: 85,000 light years
Distance to Earth: 20.87 million light years
Apparent mass: ~1,000 billion M☉
Magnitude: 7.9
Constellation: Ursa Major