The AsterNym star registry
Betelgeuse
deep red · Orion · α Ori
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About this star
Betelgeuse is a deep red star in the constellation Orion, 548 ly from Earth. The light leaving it tonight began travelling 548 years ago — bright enough to find with your own eyes on a clear night.
- Designation
- α Ori · HIP 27989
- Spectral type
- M1-2 Ia-ab · deep red
- Right ascension
- 05h 55m 10s
- Declination
- +07° 24′ 26″
- Magnitude
- 0.42 naked-eye
- Distance
- 548 ly
Coordinates are J2000 epoch, checkable against any astronomical source or planetarium app.