NGC 1245 · open cluster

NGC 1245

NGC 1245 is an open cluster in the constellation Perseus.

RA03h 14m 41sDec+47° 14' 19"

Image: sebastien lebrigand from crépy en valois, FRANCE. CC BY-SA 2.0, via Wikimedia Commons.

Identity & coordinates

Identification

Primary designation: NGC 1245
All designations: NGC 1245
Object type: Open Cluster
Constellation: Perseus
Best viewing: Autumn · Winter

Coordinates & physical

Right ascension (J2000): 03h 14m 41s
Declination (J2000): +47° 14' 19"
Apparent magnitude (V): —
Distance: —

III

Visibility tonight

The science

NGC 1245 is an open cluster in the constellation Perseus. It was discovered by William Herschel on 11 December 1786. It is located 3° southwest of alpha Persei and can be spotted with 10x50 binoculars. The cluster is nearly 1 billion years old. NGC 1245 has about 200 members the brightest of which are of 12th magnitude. The cluster shows evidence of mass segregation and it is possible that it has lost its lower mass members. Lying at a distance of 3kpc, the cluster is estimated to be 27 light years across.

Summary adapted from Wikipedia · CC-BY-SA-4.0