M107
globular cluster · Ophiuchus · 8.1ᵐ
A Messier catalogue object — globular cluster in Ophiuchus.
Notable facts
About 1/3 the apparent diameter of the Moon.
In brief
Which constellation is M107 in?
M107 lies in Ophiuchus.
Is M107 visible to the naked eye?
8.1ᵐ — visible with binoculars.
When is the best time to observe M107?
Best observed in May.
Data
- RA / Dec (J2000)
- 16h 33m · −13° 03′
- Type
- globular cluster
- Constellation
- Ophiuchus
- How to observe
- 8.1ᵐ — visible with binoculars
- Angular size
- 10′
- Designation
- M107 · NGC 6171
Observing tip
In binoculars it is a fuzzy ball; a 100–150 mm telescope starts to resolve individual stars around the edges.
Altitude above the horizon by latitude
| Latitude | Maximum altitude | Rise azimuth |
|---|---|---|
| +60° | 17° | 117° |
| +55° | 22° | 113° |
| +45° | 32° | 109° |
| +30° | 47° | 105° |
| 0° | 77° | 103° |
| −35° | 68° | 106° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 08:47 |
| February | 06:40 |
| March | 04:54 |
| April | 03:01 |
| May | 01:07 |
| June | 23:01 |
| July | 20:57 |
| August | 18:56 |
| September | 17:03 |
| October | 15:14 |
| November | 13:13 |
| December | 11:05 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.