Seginus
star · Boötes · 3.0ᵐ
White star in Boötes.
Notable facts
The light you see today left Seginus around the year 1939.
About 15 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Seginus in?
Seginus lies in Boötes.
Is Seginus visible to the naked eye?
3.0ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Seginus?
Best observed in April.
Data
- RA / Dec (J2000)
- 14h 32m · +38° 18′
- Type
- star
- Constellation
- Boötes
- How to observe
- 3.0ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- A7IIIvar — white star
- Absolute magnitude
- 0.9ᵐ
- Luminosity
- ≈37 × the Sun
- Distance
- ~87 light years
- Designation
- HIP 71075
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° | 68° · never sets | — |
| +55° | 73° · never sets | — |
| +45° | 83° | 29° |
| +30° | 82° | 44° |
| 0° | 52° | 52° |
| −35° | 17° | 41° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 06:47 |
| February | 04:39 |
| March | 02:54 |
| April | 01:01 |
| May | 23:06 |
| June | 21:00 |
| July | 18:56 |
| August | 16:55 |
| September | 15:02 |
| October | 13:13 |
| November | 11:13 |
| December | 09:04 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.