Deep sky · Open cluster in Cassiopeia · NGC 457
Open cluster
Dragonfly Cluster
The Owl, or E.T., Cluster in Cassiopeia: two bright stars for eyes, and outstretched arms of fainter ones.
- Type
- Open cluster
- Designations
- NGC 457
- Constellation
- Cassiopeia
- Apparent magnitude
- 6.4
- Apparent size
- 20′
- Position (J2000)
- RA 1h 20m · Dec +58° 17′
Look for
Small telescopes show the figure well; it is one of the most-loved sights of autumn.