Cujam
star · Hercules · 4.6ᵐ
Blue-white star in Hercules.
Notable facts
The light you see today left Cujam around the year 1776.
About 4 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Cujam in?
Cujam lies in Hercules.
Is Cujam visible to the naked eye?
4.6ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Cujam?
Best observed in May.
Data
- RA / Dec (J2000)
- 16h 25m · +14° 02′
- Type
- star
- Constellation
- Hercules
- How to observe
- 4.6ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- B9p Cr — blue-white star
- Absolute magnitude
- 0.1ᵐ
- Luminosity
- ≈74 × the Sun
- Distance
- ~250 light years
- Designation
- HIP 80463
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° | 44° | 61° |
| +55° | 49° | 65° |
| +45° | 59° | 70° |
| +30° | 74° | 74° |
| 0° | 76° | 76° |
| −35° | 41° | 73° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 08:40 |
| February | 06:33 |
| March | 04:47 |
| April | 02:54 |
| May | 01:00 |
| June | 22:53 |
| July | 20:50 |
| August | 18:49 |
| September | 16:56 |
| October | 15:07 |
| November | 13:06 |
| December | 10:58 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.