M 3 (NGC 5272)
M 3 (NGC 5272) is a globular cluster in the constellation Canes Venatici, magnitude 6.2, 16′ across.
One of the finest globular clusters, with about half a million stars and more known variable stars than any other. A 4-inch telescope starts to resolve its edges; larger ones show a sparkling ball with a bright core.
When and where to see it
It is best placed in the evening sky around May, when it crosses the meridian at about 10 pm local time (around midnight in April). It can be seen from everywhere north of 62°S and never sets north of 62°N.
At its highest it stands 68° up from 50°N, 83° up from 35°N, 62° up from the equator, 27° up from 35°S.
Facts
- Type
- Globular cluster
- Constellation
- Canes Venatici
- Designations
- NGC 5272
- Magnitude
- 6.2
- Apparent size
- 16′
- Position
- RA 13h 42.2m, Dec +28° 23′ (J2000)
Open AstroPilot to see when M 3 (NGC 5272) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view.