The AsterNym star registry
Deneb
white · Cygnus · α Cyg
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About this star
Deneb is a white star in the constellation Cygnus, 2,615 ly from Earth. The light leaving it tonight began travelling 2,615 years ago — bright enough to find with your own eyes on a clear night.
- Designation
- α Cyg · HIP 102098
- Spectral type
- A2 Ia · white
- Right ascension
- 20h 41m 26s
- Declination
- +45° 16′ 49″
- Magnitude
- 1.25 naked-eye
- Distance
- 2,615 ly
Coordinates are J2000 epoch, checkable against any astronomical source or planetarium app.