Triangulum Galaxy
The Triangulum Galaxy is a spiral galaxy 2.73 million light-years from Earth in the constellation Triangulum. It is catalogued as Messier 33 or NGC 598. Wikipedia
Distance to Earth: 2.723 million light years
Apparent mass: ~50 billion M☉
Coordinates: RA 1h 33m 50s | Dec +30° 39′ 37″
Constellation: Triangulum
Radius: 30,000 light years
Discoverers: Giovanni Battista Hodierna and William Parsons, 3rd Earl of Rosse
Discovered: 1654