Arkab Prior
star · Sagittarius · 4.0ᵐ
Blue-white star in Sagittarius.
Notable facts
The light you see today left Arkab Prior around the year 1712.
About 7 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Arkab Prior in?
Arkab Prior lies in Sagittarius.
Is Arkab Prior visible to the naked eye?
4.0ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Arkab Prior?
Best observed in July.
Data
- RA / Dec (J2000)
- 19h 23m · −44° 28′
- Type
- star
- Constellation
- Sagittarius
- How to observe
- 4.0ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- B9V — blue-white star
- Absolute magnitude
- -0.9ᵐ
- Luminosity
- ≈205 × the Sun
- Distance
- ~314 light years
- Designation
- HIP 95241
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° | 1° | 172° |
| +30° | 16° | 144° |
| 0° | 46° | 134° |
| −35° | 81° | 149° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 11:37 |
| February | 09:30 |
| March | 07:45 |
| April | 05:51 |
| May | 03:57 |
| June | 01:51 |
| July | 23:47 |
| August | 21:46 |
| September | 19:53 |
| October | 18:04 |
| November | 16:03 |
| December | 13:55 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.