M 39 (NGC 7092)
M 39 (NGC 7092) is an open cluster in the constellation Cygnus, magnitude 4.6, 32′ across.
A large, loose open cluster in Cygnus, best in binoculars or at very low power, where its bright stars form a triangle.
When and where to see it
It is best placed in the evening sky around September, when it crosses the meridian at about 10 pm local time (around midnight in August). It can be seen from everywhere north of 42°S and never sets north of 42°N.
At its highest it stands 88° up from 50°N, 77° up from 35°N, 42° up from the equator, 7° up from 35°S.
Facts
- Type
- Open cluster
- Constellation
- Cygnus
- Designations
- NGC 7092, Pyramid Cluster
- Magnitude
- 4.6
- Apparent size
- 32′
- Position
- RA 21h 31.8m, Dec +48° 26′ (J2000)
Open AstroPilot to see when M 39 (NGC 7092) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view.