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Messier 4 (M4, NGC6121)


Messier 4 is a globular cluster object of interest in space. It lies at a distance of 7.2 light years away in the constellation of Scorpius. It is referred to as M(4) when it was catalogued by Charles Messier in 18th - 19th Century France. It is referred to as NGC(6121) in the New General Catalogue. This is a list of deep space objects that was compiled by John Louis Emil Dreyer in 1888 in an update to John Herschel earlier catalogue. Messier 4 was discovered in 1746 by Philippe Loys de Cheseaux. The Globular Cluster's location is 16:23.6 (R.A.) and -26:32 (Dec.). Its Visual Brightness is a 5.6 Magnitude and has an apparent magnitude of 6 with an apparent dimension of 36.0 .

(M4,NGC6121) is a globular cluster. It was discovered in 1746 by Philippe Loys de Cheseaux. It's location is RA(16:23.6), Dec(-26:32) and its distance is calculated 7.2 light years away. Its visual Brightness is 5.6. Its apparent dimensions measured in arcmins is 36.0.

Fact File


NameMessier 4
TypeGlobular Cluster
Messier Id4
NGC Id6121
ConstellationScorpius
TypeGlobular Cluster
Right Ascension16:23.6
Declination-26:32
Distance (Lt.Yr)7.2
Visual Brightness5.6
Apparent Dimension36.0
Apparent Magnitude6
Year of Discovery1746
DiscovererPhilippe Loys de Cheseaux