Open Cluster · Puppis

M47 NGC 2422

Magnitude
5.2
Season
Winter
Difficulty
Easy
Star-hop chart
M470.0° field0° rotation
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Imaging reference
NGC 2422 (M47) Open Cluster

Observer's guide

About NGC 2422

NGC 2422 (M47) is catalogued as an open cluster in Puppis. Its J2000 position is RA 07:36:35.02, Dec -14:28:57.4, corresponding to 114.1471 degrees RA and -14.4889 degrees Dec. The local catalogue places it about 1,600 light-years away. Its referenced angular extent is approximately 31.1 by 31.1 arcminutes.

Observing tips

StarWatchr rates this as an easy target at magnitude 5.2. It is associated with winter observing, with midnight placement typically strongest around January. From 52 degrees north its theoretical meridian altitude is about 23.5 degrees; local horizons and the live altitude chart determine the practical window.

Its brightness makes it a practical binocular or small-telescope candidate when it is well above the horizon.

What to expect

The SIMBAD classification for the matched source is OpC. A published radial velocity value is 36.1 km/s. The SIMBAD record currently connects it to 283 bibliographic references.

Its roughly 31.1 arcminute span suits a medium field of view. Use the listed 31.1 by 31.1 arcminute extent to check framing, and treat catalogue magnitude as integrated brightness rather than a direct measure of visual contrast.

Sourced catalogue data

Scientific record

Measurements for M47 are kept separate from practical observing guidance.

Coordinates (J2000/ICRS)
RA 114.147083° · Dec -14.488889°
SIMBAD classification
OpC
Angular extent
31.1′ × 31.1′
Position angle
Radial velocity
36.14 km/s
Redshift
0.00012056
Linked bibliography
283 references
Best midnight placement
January
Observable latitude range
-90° to 75.5°

Source: SIMBAD astronomical database (CDS, Strasbourg) (ODbL; checked 2026-08-09). Catalogue values may change when new measurements are published.

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