Tarf
star · Cancer · 3.5ᵐ
Orange star in Cancer.
Notable facts
The light you see today left Tarf around the year 1723.
About 10 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Tarf in?
Tarf lies in Cancer.
Is Tarf visible to the naked eye?
3.5ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Tarf?
Best observed in January.
Data
- RA / Dec (J2000)
- 8h 17m · +9° 11′
- Type
- star
- Constellation
- Cancer
- How to observe
- 3.5ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- K4III — orange star
- Absolute magnitude
- -1.3ᵐ
- Luminosity
- ≈286 × the Sun
- Distance
- ~303 light years
- Designation
- HIP 40526
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° | 39° | 71° |
| +55° | 44° | 74° |
| +45° | 54° | 77° |
| +30° | 69° | 79° |
| 0° | 81° | 81° |
| −35° | 46° | 79° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 00:31 |
| February | 22:24 |
| March | 20:38 |
| April | 18:45 |
| May | 16:51 |
| June | 14:45 |
| July | 12:41 |
| August | 10:40 |
| September | 08:47 |
| October | 06:58 |
| November | 04:57 |
| December | 02:49 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.