General information
NGC1981 is the open cluster at magnitude 4 that is placed in Orion constellation and has apparent size of 25 angular minutes.
Having high brightness and large apparent size, cluster is available for observations through a pair of binoculars or small telescope.
Information for observations
Tonight, 2023-03-25, cluster NGC1981 will become observable at southwest as the dusk sky fades, 25° above your horizon, at 20:57. At this time, the object will be at its highest elevation. At 23:16 the object will sink below the horizon at west.
Upper Sword (NGC1981) on the sky map
 |
Object type | Open Cluster |
Alternative names | Upper Sword |
Constellation | Orion |
Magnitude | 4 |
Apparent size | 25' |
Right ascension | 5h 35m 9s |
Declination | -4° 25′ 54″ |
Catalogues
Messier |
|
New General Catalogue (NGC) | NGC1981 |
International Catalogue (IC) |
|
Nearest objects with greater magnitude |
| Object type | Magnitude |
H V 10* | Double Star | 2.41 |
M42 / NGC1976 | Cluster with Nebulosity | 4 |
NGC1980 | Cluster with Nebulosity | 2.5 |