Marfik
star · Ophiuchus · 3.8ᵐ
White star in Ophiuchus.
Notable facts
The light you see today left Marfik around the year 1853.
About 7 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Marfik in?
Marfik lies in Ophiuchus.
Is Marfik visible to the naked eye?
3.8ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Marfik?
Best observed in May.
Data
- RA / Dec (J2000)
- 16h 31m · +1° 59′
- Type
- star
- Constellation
- Ophiuchus
- How to observe
- 3.8ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- A2V — white star
- Absolute magnitude
- 0.2ᵐ
- Luminosity
- ≈71 × the Sun
- Distance
- ~173 light years
- Designation
- HIP 80883
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° | 32° | 86° |
| +55° | 37° | 87° |
| +45° | 47° | 87° |
| +30° | 62° | 88° |
| 0° | 88° | 88° |
| −35° | 53° | 88° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 08:45 |
| February | 06:38 |
| March | 04:53 |
| April | 02:59 |
| May | 01:05 |
| June | 22:59 |
| July | 20:55 |
| August | 18:54 |
| September | 17:01 |
| October | 15:12 |
| November | 13:12 |
| December | 11:03 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.