Star
Alnilam
Alnilam is a blue-white star 1 977 light-years away, seen as it was 1 977 years ago, shining 67 484 times as bright as the Sun.
The middle star of Orion's Belt, a blue supergiant. Since 1943 its spectrum has been one of the stable anchor points for classifying other stars.
See it live
It is on the live 3D map, where it really is.
Key facts
- Distance
- 1 977 light-years
- Brightness from Earth
- magnitude 1.69
- Spectral type
- B0Ia
- Catalogue
- HIP 26311
See it from here
Bright enough to see with your own eyes from a dark place.
How the map draws it
Drawn as a point of light, sized by how bright it looks from where you are — the kind of thing, not this exact one.