Alshat
star · Capricornus · 4.8ᵐ
Blue-white star in Capricornus.
Notable facts
The light you see today left Alshat around the year 1773.
About 3 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Alshat in?
Alshat lies in Capricornus.
Is Alshat visible to the naked eye?
4.8ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Alshat?
Best observed in July.
Data
- RA / Dec (J2000)
- 20h 21m · −12° 46′
- Type
- star
- Constellation
- Capricornus
- How to observe
- 4.8ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- B9IV — blue-white star
- Absolute magnitude
- 0.3ᵐ
- Luminosity
- ≈64 × the Sun
- Distance
- ~253 light years
- Designation
- HIP 100310
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° | 17° | 116° |
| +55° | 22° | 113° |
| +45° | 32° | 108° |
| +30° | 47° | 105° |
| 0° | 77° | 103° |
| −35° | 68° | 106° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 12:35 |
| February | 10:28 |
| March | 08:43 |
| April | 06:49 |
| May | 04:55 |
| June | 02:49 |
| July | 00:45 |
| August | 22:44 |
| September | 20:51 |
| October | 19:02 |
| November | 17:01 |
| December | 14:53 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.