Rosette A
Nebula in Monoceros · 5,000 light-years
🔭 Explore Rosette A in the 3D map →| Type | Nebula |
|---|---|
| Constellation | Monoceros |
| Distance | 5,000 light-years |
| Apparent size | 80′ (arc-minutes) |
| Also known as | C49 · NGC 2237 |
Caldwell 49, popularly known as the Rosette A, is a nebula (NGC 2237) in Monoceros — a luminous cloud of interstellar gas and dust. It appears as number 49 in the Caldwell catalogue, Sir Patrick Moore's 1995 list of 109 bright deep-sky objects for amateur astronomers. It spans roughly 80 arc-minutes on the sky. It is one of the showpiece objects Sir Patrick Moore chose for his Caldwell list of bright targets the Messier catalogue left out.
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Related objects
- Orion Nebula — nebula
- Ring Nebula — nebula
- Eagle Nebula — nebula
- Carina Nebula — nebula
- Lagoon Nebula — nebula