Aldhanab
star · Grus · 3.0ᵐ
Blue-white star in Grus.
Notable facts
The light you see today left Aldhanab around the year 1815.
About 16 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Aldhanab in?
Aldhanab lies in Grus.
Is Aldhanab visible to the naked eye?
3.0ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Aldhanab?
Best observed in August.
Data
- RA / Dec (J2000)
- 21h 54m · −37° 22′
- Type
- star
- Constellation
- Grus
- How to observe
- 3.0ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- B8III — blue-white star
- Absolute magnitude
- -1.1ᵐ
- Luminosity
- ≈225 × the Sun
- Distance
- ~211 light years
- Designation
- HIP 108085
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° | never rises | — |
| +55° | never rises | — |
| +45° | 8° | 149° |
| +30° | 23° | 134° |
| 0° | 53° | 127° |
| −35° | 88° | 138° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 14:08 |
| February | 12:01 |
| March | 10:16 |
| April | 08:23 |
| May | 06:28 |
| June | 04:22 |
| July | 02:18 |
| August | 00:17 |
| September | 22:24 |
| October | 20:35 |
| November | 18:35 |
| December | 16:26 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.