
M47 · open cluster
Messier 47
Messier 47, also known as NGC 2478 is an open cluster in the mildly southern constellation of Puppis.
RA07h 36m 35sDec−14° 28' 57"
Image: NOIRLab / NSF / AURA. CC BY 4.0, via Wikimedia Commons.
Identity & coordinates
Identification
- Primary designation
- M47
- All designations
- M47 · NGC 2422
- Object type
- Open Cluster
- Constellation
- Puppis
- Best viewing
- Winter · Spring
Coordinates & physical
- Right ascension (J2000)
- 07h 36m 35s
- Declination (J2000)
- −14° 28' 57"
- Apparent magnitude (V)
- —
- Distance
- —
Visibility tonight
The science
Messier 47, also known as NGC 2478 is an open cluster in the mildly southern constellation of Puppis. It was discovered by Giovanni Batista Hodierna before 1654 and in his then keynote work re-discovered by Charles Messier on 1771. It was also independently discovered by Caroline Herschel.
Summary adapted from Wikipedia · CC-BY-SA-4.0
References
- SIMBAD Not resolved
- NED Fetched May 8, 2026 View in NED ↗
- Wikipedia Fetched May 8, 2026 Read full article ↗
Wikipedia title resolved via designation — fell back to an alternate catalog designation.
1 merge conflict resolved
- coordinates: SIMBAD missing → NED used



