Messier 47
From Wikipedia, the free encyclopedia
Messier 47 |
|
| Observation data: J2000.0 epoch | |
|---|---|
| Class: | II,3,m |
| Constellation: | |
| Right ascension: | 07h 36.6m |
| Declination: | -14° 30′ |
| Distance: | 1.6 kly (490 Pc) |
| Apparent magnitude (V): | 4.2 |
| Apparent dimensions (V): | 30.0′ |
| Physical characteristics | |
| Mass: | ( M☉) |
| Radius: | 6 |
| VHB: | - |
| Estimated age: | 78 million years |
| Notable features: | - |
| Other designations: | NGC 2422 |
| See also: Open cluster, List of open clusters | |
Open Cluster M47 (also known as Messier Object 47 or NGC 2422) is an open cluster in the constellation Puppis. It was discovered by Giovanni Batista Hodierna before 1654 and independently discovered by Charles Messier on February 19, 1771.
M47 is at a distance of about 1,600 light-years from Earth with an estimated age of about 78 million years. There are about 50 stars in this cluster, the brightest one being of magnitude 5.7.
[edit] External links
- Messier 47, SEDS Messier pages
- Messier 47 Amateur Image - Waid Observatory
 |
This star cluster–related article is a stub. You can help Wikipedia by expanding it. |
