Albireo
star · Cygnus · 3.0ᵐ
Orange star in Cygnus.
Notable facts
The light you see today left Albireo around the year 1592.
About 15 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Albireo in?
Albireo lies in Cygnus.
Is Albireo visible to the naked eye?
3.0ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Albireo?
Best observed in July.
Data
- RA / Dec (J2000)
- 19h 31m · +27° 58′
- Type
- star
- Constellation
- Cygnus
- How to observe
- 3.0ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- K3II+... — orange star
- Absolute magnitude
- -2.6ᵐ
- Luminosity
- ≈912 × the Sun
- Distance
- ~434 light years
- Designation
- HIP 95947
Observing tip
Stars stay points at any magnification: aim your telescope for colour, brightness and companions, not detail.
Altitude above the horizon by latitude
| Latitude | Maximum altitude | Rise azimuth |
|---|---|---|
| +60° | 58° | 20° |
| +55° | 63° | 35° |
| +45° | 73° | 48° |
| +30° | 88° | 57° |
| 0° | 62° | 62° |
| −35° | 27° | 55° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 11:45 |
| February | 09:38 |
| March | 07:53 |
| April | 05:59 |
| May | 04:05 |
| June | 01:59 |
| July | 23:55 |
| August | 21:54 |
| September | 20:01 |
| October | 18:12 |
| November | 16:11 |
| December | 14:03 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.