General information
Open Cluster NGC581 has the magnitude of 7 and is placed in Cassiopeia constellation. The cluster's apparent sizes are 6 angular minutes.
Because of low brightness and large angular size, cluster is available for observations through a 5-inch telescope.
Information for observations
2024-05-04 cluster NGC581 will be visible all night. At 22:15 the object will be placed at north, 11° above your horizon, and will be observable until around 04:42 when fade from view as dawn breaks northeast. Maximum elevation, 31° above horizon, will be reached at 04:41, when cluster will be placed at northeast.
Messier M103 on the sky map
|
Object type | Open Cluster |
Alternative names | |
Constellation | Cassiopeia |
Magnitude | 7 |
Apparent size | 6' |
Right ascension | 1h 33m 23s |
Declination | 60° 39′ 0″ |
Catalogues
Messier | M103 |
New General Catalogue (NGC) | NGC581 |
International Catalogue (IC) |
|
Nearest objects with greater magnitude |
| Object type | Magnitude |
H III 23 | Double Star | 5.07 |
H V 81 | Double Star | 6.34 |
NGC457 | Open Cluster | 6.4 |
NGC654 | Open Cluster | 6.5 |
NGC663 | Open Cluster | 7.1 |