Ruchbah
star · Cassiopeia · 2.7ᵐ
White star in Cassiopeia.
Notable facts
The light you see today left Ruchbah around the year 1927.
About 22 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Ruchbah in?
Ruchbah lies in Cassiopeia.
Is Ruchbah visible to the naked eye?
2.7ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Ruchbah?
Best observed in October.
Data
- RA / Dec (J2000)
- 1h 26m · +60° 14′
- Type
- star
- Constellation
- Cassiopeia
- How to observe
- 2.7ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- A5Vv SB — white star
- Absolute magnitude
- 0.2ᵐ
- Luminosity
- ≈69 × the Sun
- Distance
- ~99 light years
- Designation
- HIP 6686
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° | 90° · never sets | — |
| +55° | 85° · never sets | — |
| +45° | 75° · never sets | — |
| +30° | 60° · never sets | — |
| 0° | 30° | 30° |
| −35° | never rises | — |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 17:40 |
| February | 15:33 |
| March | 13:48 |
| April | 11:54 |
| May | 10:00 |
| June | 07:54 |
| July | 05:50 |
| August | 03:49 |
| September | 01:56 |
| October | 00:07 |
| November | 22:06 |
| December | 19:58 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.