Deep space
Messier 47
Open cluster · M47 · NGC 2422
Open cluster in Puppis
Photo: Ole Nielsen · CC BY-SA 2.5 · Wikimedia Commons
Messier 47, also known as NGC 2478 is an open cluster in the southern constellation of Puppis. It was discovered by Giovanni Batista Hodierna before 1654 and re-discovered by Charles Messier in 1771. It was also independently discovered by Caroline Herschel.
Description from Wikipedia (CC BY-SA 4.0).
In your sky
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Key facts
Distance
~1,600 light-years
Apparent mag.
+4.4
Apparent size
30′
Best seen with
Naked eye
Catalogue
M47 · NGC 2422
Did you know
- Listed as Messier 47 in the Messier catalogue, also known as NGC 2422.
- Found in the constellation Puppis.
- Bright enough to see with the naked eye.
