Ascella
star · Sagittarius · 2.6ᵐ
White star in Sagittarius.
Notable facts
The light you see today left Ascella around the year 1938.
About 23 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Ascella in?
Ascella lies in Sagittarius.
Is Ascella visible to the naked eye?
2.6ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Ascella?
Best observed in July.
Data
- RA / Dec (J2000)
- 19h 03m · −29° 53′
- Type
- star
- Constellation
- Sagittarius
- How to observe
- 2.6ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- A3IV — white star
- Absolute magnitude
- 0.4ᵐ
- Luminosity
- ≈57 × the Sun
- Distance
- ~88 light years
- Designation
- HIP 93506
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° | 0° | 175° |
| +55° | 5° | 150° |
| +45° | 15° | 135° |
| +30° | 30° | 125° |
| 0° | 60° | 120° |
| −35° | 85° | 127° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 11:17 |
| February | 09:10 |
| March | 07:24 |
| April | 05:31 |
| May | 03:37 |
| June | 01:31 |
| July | 23:27 |
| August | 21:26 |
| September | 19:33 |
| October | 17:44 |
| November | 15:43 |
| December | 13:35 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.