Norma Cluster | |
---|---|
Observation data (Epoch J2000) | |
Constellation(s) | Norma |
Right ascension | 16h 15m 32.8s[1] |
Declination | -60° 54′ 30″[1] |
Other designations | |
Abell 3627[1] | |
See also: Galaxy groups and clusters, List of galaxy clusters | |
The Norma Cluster (ACO 3627 or Abell 3627) is a rich cluster of galaxies located near the center of the Great Attractor.[2] Although it is both nearby and bright, it is difficult to observe because it is located in the Zone of Avoidance, a region near the plane of the Milky Way. Consequently, the cluster is severely obscured by interstellar dust at optical wavelengths. Its mass is estimated to be on the order of 1015 solar masses.[3]