Aljanah
star · Cygnus · 2.5ᵐ
Orange star in Cygnus.
Notable facts
The light you see today left Aljanah around the year 1953.
About 26 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Aljanah in?
Aljanah lies in Cygnus.
Is Aljanah visible to the naked eye?
2.5ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Aljanah?
Best observed in August.
Data
- RA / Dec (J2000)
- 20h 46m · +33° 58′
- Type
- star
- Constellation
- Cygnus
- How to observe
- 2.5ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- K0III — orange star
- Absolute magnitude
- 0.7ᵐ
- Luminosity
- ≈43 × the Sun
- Distance
- ~73 light years
- Designation
- HIP 102488
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° | 64° · never sets | — |
| +55° | 69° | 13° |
| +45° | 79° | 38° |
| +30° | 86° | 50° |
| 0° | 56° | 56° |
| −35° | 21° | 47° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 13:01 |
| February | 10:53 |
| March | 09:08 |
| April | 07:15 |
| May | 05:20 |
| June | 03:14 |
| July | 01:10 |
| August | 23:09 |
| September | 21:16 |
| October | 19:28 |
| November | 17:27 |
| December | 15:18 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.