| Object type: | Emission (H II region) nebula |
|---|---|
| Distance from Earth: | 5,000 light years 1,500 parsecs |
| Distance across Nebula: | 30 light years 9.2 parsecs |
The Omega Nebula is a bright nebula excited by a group of at least five hot O and B type stars. It is also known as the Horseshoe and the Swan.