General information
Open Cluster NGC6633 has the magnitude of 5 and is placed in Ophiuchus constellation. The cluster's apparent sizes are 27 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, 2023-09-25, cluster NGC6633 will become observable at southwest as the dusk sky fades, 44° above your horizon, at 20:34. At this time, the object will be at its highest elevation. At 00:36 the object will sink below the horizon at west.
NGC6633 on the sky map
 |
Object type | Open Cluster |
Alternative names | |
Constellation | Ophiuchus |
Magnitude | 5 |
Apparent size | 27' |
Right ascension | 18h 27m 31.2s |
Declination | 6° 34′ 12″ |
Catalogues
Messier |
|
New General Catalogue (NGC) | NGC6633 |
International Catalogue (IC) |
|
Nearest objects with greater magnitude |
| Object type | Magnitude |
H VI 2 | Double Star | 3.96 |
H II 4* | Double Star | 4.22 |
H VI 14 | Double Star | 3.34 |
H IV 6 | Double Star | 4.59 |