Owl Cluster (NGC 457)

Owl Cluster (NGC 457) is an open cluster in the constellation Cassiopeia, magnitude 6.4, 20′ across.

A bright open cluster nicknamed the Owl or E.T. Cluster: two bright stars, including Phi Cassiopeiae, make the eyes, and rows of fainter stars the outstretched arms.

When and where to see it

It is best placed in the evening sky around November, when it crosses the meridian at about 10 pm local time (around midnight in October). It can be seen from everywhere north of 32°S and never sets north of 32°N.

At its highest it stands 82° up from 50°N, 67° up from 35°N, 32° up from the equator, below the horizon from 35°S.

Facts

Type

Open cluster

Constellation

Cassiopeia

Designations

NGC 457, C 13, Mel 7, Cr 12, E.T. Cluster, Melotte 7, Collinder 12

Magnitude

6.4

Apparent size

20′

Position

RA 1h 19.5m, Dec +58° 17′ (J2000)

Open AstroPilot to see when Owl Cluster (NGC 457) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view.