Aladfar
star · Lyra · 4.4ᵐ
Blue-white star in Lyra. It lies about 1,388 light years from Earth. In visible light it shines roughly 2,600 times as bright as the Sun.
Notable facts
The light you see today left Aladfar around the year 638.
About 4 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Aladfar in?
Aladfar lies in Lyra.
Is Aladfar visible to the naked eye?
4.4ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Aladfar?
Best observed in July.
Data
- RA / Dec (J2000)
- 19h 14m · +39° 09′
- Type
- star
- Constellation
- Lyra
- How to observe
- 4.4ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- B2.5IV — blue-white star
- Absolute magnitude
- -3.7ᵐ
- Luminosity (visual)
- ≈2,600 × the Sun
- Distance
- ~1,388 light years
- Designation
- HIP 94481
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° | 69° · never sets | — |
| +55° | 74° · never sets | — |
| +45° | 84° | 27° |
| +30° | 81° | 43° |
| 0° | 51° | 51° |
| −35° | 16° | 40° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 11:28 |
| February | 09:21 |
| March | 07:36 |
| April | 05:42 |
| May | 03:48 |
| June | 01:42 |
| July | 23:38 |
| August | 21:37 |
| September | 19:44 |
| October | 17:55 |
| November | 15:54 |
| December | 13:46 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.