Deep sky · Globular cluster in Canes Venatici · M 3 · NGC 5272
M 3
M 3
A great globular cluster of half a million stars, full of stars that pulse — more variable stars than any other known cluster.
- Type
- Globular cluster
- Designations
- M 3 · NGC 5272
- Constellation
- Canes Venatici
- Apparent magnitude
- 6.2
- Apparent size
- 18′
- Position (J2000)
- RA 13h 42m · Dec +28° 23′
Look for
Find it about halfway between Arcturus and Cor Caroli.