Open cluster · Puppis

M47

Also known as: NGC 2422, NGC 2478

mag 4.430′ across

About

M47 is an open cluster of magnitude 4.4 in Puppis, about 30′ across.

M47 is in the constellation Puppis.
Best evenings: around early March it is highest at about 9 pm (10 pm in summer time); a month earlier, two hours later.
Where on Earth: it is seen well, at least 10° up, from south of 66° N.

When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.

EyesA hazy patch or a knot of faint stars from a dark site.
Binoculars (10×50)A rich scattering of stars — binoculars often give the best view.
Telescope (6–8 inch)Dozens of stars, many sharp and some coloured.

For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.

Designations	M47, NGC 2422, NGC 2478
Type	Open cluster
Magnitude	4.4The smaller the number, the brighter.
Apparent size	30′the full Moon is 31′ across
Constellation	Puppis
Right ascension (J2000)	07h 36m 35.0s
Declination (J2000)	−14° 28′ 57″