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Messier 4 (NGC6121) Facts

Messier 4 (NGC6121) is a globular cluster object of interest in space. It lies at a distance of about 7,200.00 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 also 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.

The Globular Cluster's location is 16:23.6 (R.A.) and -26:32 (Dec.). Its Visual (Apparent) Brightness is 6.00 Magnitude with an apparent dimension of 36.0 . The object can be seen with the naked eye from Earth, that is, you don't need a telescope/binoculars to see it.

(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.

Travel Time to Messier 4 (NGC6121)

The time it will take to travel to this star is dependent on how fast you are going. U.G. has done some calculations as to how long it will take going at differing speeds. A note about the calculations, when I'm talking about years, I'm talking non-leap years only (365 days).

The New Horizons space probe is the fastest probe that we've sent into space at the time of writing. Its primary mission was to visit Pluto which at the time of launch (2006), Pluto was still a planet.

DescriptionSpeed (m.p.h.)Time (years)
Walking41,207,109,932,200.00
Car12040,236,997,740.00
Airbus A3807366,560,380,066.30
Speed of Sound (Mach 1)767.2696,293,020,738.23
Concorde (Mach 2)1,534.543,146,506,268.20
New Horizons Probe33,000146,316,355.42
Speed of Light670,616,629.007,200.00

Fact File


NameMessier 4 (NGC6121)
TypeGlobular Cluster
Messier Id4
NGC Id6121
ConstellationScorpius
Right Ascension16:23.6
Declination-26:32
Distance (Lt.Yr)7200
Apparent Dimension36.0
Visual / Apparent Magnitude6.00
Naked Eye VisibleYes - Magnitudes
Year of Discovery1746
DiscovererPhilippe Loys de Cheseaux


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