Alula Borealis
star · Ursa Major · 3.5ᵐ
Orange star in Ursa Major.
Notable facts
The light you see today left Alula Borealis around the year 1627.
About 10 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Alula Borealis in?
Alula Borealis lies in Ursa Major.
Is Alula Borealis visible to the naked eye?
3.5ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Alula Borealis?
Best observed in March.
Data
- RA / Dec (J2000)
- 11h 18m · +33° 06′
- Type
- star
- Constellation
- Ursa Major
- How to observe
- 3.5ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- K3III SB — orange star
- Absolute magnitude
- -1.9ᵐ
- Luminosity
- ≈515 × the Sun
- Distance
- ~399 light years
- Designation
- HIP 55219
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° | 63° · never sets | — |
| +55° | 68° | 18° |
| +45° | 78° | 39° |
| +30° | 87° | 51° |
| 0° | 57° | 57° |
| −35° | 22° | 48° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 03:33 |
| February | 01:26 |
| March | 23:40 |
| April | 21:47 |
| May | 19:53 |
| June | 17:47 |
| July | 15:43 |
| August | 13:42 |
| September | 11:49 |
| October | 10:00 |
| November | 07:59 |
| December | 05:51 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.