Open Cluster M47 (also known as Messier Object 47 or NGC 2422) is an w:open cluster in the w:constellation w:Puppis. It was discovered by w:Giovanni Batista Hodierna before w:1654 and independently discovered by w:Charles Messier on w:February 19, w:1771.

Messier 47
Observation data (J2000.0 epoch)
Right ascension07h 36.6m
Declination-14° 30′
Distance1.6 kly (490 Pc)
Apparent magnitude (V)4.2
Apparent dimensions (V)30.0′
Notable features-
Other designationsNGC 2422

M47 is at a distance of about 1,600 w:light-years from w:Earth with an estimated age of about 78 million years. There are about 50 w:stars in this cluster, the brightest one being of magnitude +5.7.

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