General informationOpen 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 observations2019-05-26 cluster NGC6633 will be visible all night. At 21:35 the object will be placed at east, 18° above your horizon, and will be observable until around 04:40 when fade from view as dawn breaks southwest. Maximum elevation, 58° above horizon, will be reached at 02:19, when cluster will be placed at south.
NGC6633 on the sky map
|Right ascension||18h 27m 31.2s|
|Declination||6° 34′ 12″|
|New General Catalogue (NGC)|
|International Catalogue (IC)|
|Nearest objects with greater 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|