NGC 189 | |
---|---|
Observation data (J2000 epoch) | |
Right ascension | 0h 39m 28.8s[1] |
Declination | +61° 6m 54s[1] |
Distance | 4,200 ly (1,300 pc)[1] |
Apparent magnitude (V) | 8.8[2] |
Apparent dimensions (V) | 0.120°[1] |
Physical characteristics | |
Estimated age | 510 Myr[1] |
Other designations | Cr 462, C 0036+608, OCL 301 |
Associations | |
Constellation | Cassiopeia |
NGC 189 is an open cluster in the Cassiopeia constellation. It was discovered by Caroline Herschel on 27 September 1783, and independently rediscovered by John Herschel on 27 October 1829.[3]