Messier 93
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| Observation data: J2000.0 epoch | |
|---|---|
| Class: | I,3,r |
| Constellation: | |
| Right ascension: | 07h 44.6m |
| Declination: | −23° 52′ |
| Distance: | 3.6 kly (1.1 kpc) |
| Apparent magnitude (V): | 6.0 |
| Apparent dimensions (V): | 22.0′ |
| Physical characteristics | |
| Mass: | ( M☉) |
| Radius: | 10 |
| VHB: | |
| Estimated age: | 100 million years[citation needed] |
| Notable features: | |
| Other designations: | NGC 2447 |
| See also: Open cluster, List of open clusters | |
Messier 93 (also known as M 93 or NGC 2447) is an open cluster in the constellation Puppis. It was discovered by Charles Messier in 1781.
M93 is at a distance of about 3,600 light years from Earth and has a spatial radius of some 10 to 12 light years. Its age is estimated at some 100 million years.
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