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Messier 103 (M103, NGC581)


Messier 103 is an open cluster object of interest in space. It lies at a distance of 10 light years away in the constellation of Cassiopeia. It is referred to as M(103) when it was catalogued by Charles Messier in 18th - 19th Century France. It is referred to as NGC(581) 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 103 was discovered in 1781 by Pierre Mechain. The Open Cluster's location is 01:33.2 (R.A.) and +60:42 (Dec.). Its Visual Brightness is a 7.4 Magnitude and has an apparent magnitude of 7 with an apparent dimension of 6.0 .

(M103,NGC581) is a open cluster. It was discovered in 1781 by Pierre Mechain. It's location is RA(01:33.2), Dec(+60:42) and its distance is calculated 10 light years away. Its visual Brightness is 7.4. Its apparent dimensions measured in arcmins is 6.0.

Fact File


NameMessier 103
TypeOpen Cluster
Messier Id103
NGC Id581
ConstellationCassiopeia
TypeOpen Cluster
Right Ascension01:33.2
Declination+60:42
Distance (Lt.Yr)10
Visual Brightness7.4
Apparent Dimension6.0
Apparent Magnitude7
Year of Discovery1781
DiscovererPierre Mechain