Grumium
star · Draco · 3.7ᵐ
Orange star in Draco.
Notable facts
The light you see today left Grumium around the year 1913.
About 8 times brighter than the faintest star visible to the naked eye.
In brief
Which constellation is Grumium in?
Grumium lies in Draco.
Is Grumium visible to the naked eye?
3.7ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe Grumium?
Best observed in June.
Data
- RA / Dec (J2000)
- 17h 54m · +56° 52′
- Type
- star
- Constellation
- Draco
- How to observe
- 3.7ᵐ — visible to the naked eye (under dark skies)
- Spectral class
- K2III — orange star
- Absolute magnitude
- 1.0ᵐ
- Luminosity
- ≈33 × the Sun
- Distance
- ~113 light years
- Designation
- HIP 87585
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° | 87° · never sets | — |
| +55° | 88° · never sets | — |
| +45° | 78° · never sets | — |
| +30° | 63° | 15° |
| 0° | 33° | 33° |
| −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 | 10:08 |
| February | 08:01 |
| March | 06:15 |
| April | 04:22 |
| May | 02:28 |
| June | 00:22 |
| July | 22:18 |
| August | 20:17 |
| September | 18:24 |
| October | 16:35 |
| November | 14:34 |
| December | 12:26 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.