Messier : Messier M21

Celestial motion
Date: 2024-03-29
Astronomical night: 21:02 - 05:27 (GMT -5)
Messier M21 Celestial motion
TimeElevationAzimuth
Rise00:56118° (Southeast)
SetDawn29°176° (South)
Maximum elevation

05:26

29°

176° (South)

Elevation

Messier M21 Celestial motion
Information about Messier M21

General information

Open Cluster NGC6531 has the magnitude of 6 and is placed in Sagittarius constellation. The cluster's apparent sizes are 14 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, 2024-03-29, cluster NGC6531 will rise at southeast at 00:56 and will be observable until fading from view as dawn breaks. This time (05:27) the object will be placed at south. Maximum elevation, 29° above horizon, will be reached at 05:26, when cluster will be placed at south.
 

Messier M21 on the sky map

Messier M21 on the sky map
Object type

Open Cluster

Alternative names

Constellation

Sagittarius

Magnitude

6

Apparent size14'x14'
Right ascension18h 4m 13s
Declination-22° 29′ 24″

Catalogues

Messier

M21

New General Catalogue (NGC)

NGC6531

International Catalogue (IC)

Nearest objects with greater magnitude
Object typeMagnitude
M8 / NGC6523Cluster with Nebulosity5
NGC6530Open Cluster4.6
M24 / IC4715Open Cluster3.1
M25 / IC4725Open Cluster4.6
M22 / NGC6656Globular Cluster5.2