M71
globular cluster · Sagitta · 8.3ᵐ
A Messier catalogue object — globular cluster in Sagitta.
Notable facts
About 1/4 the apparent diameter of the Moon.
In brief
Which constellation is M71 in?
M71 lies in Sagitta.
Is M71 visible to the naked eye?
8.3ᵐ — visible with binoculars.
When is the best time to observe M71?
Best observed in July.
Data
- RA / Dec (J2000)
- 19h 54m · +18° 47′
- Type
- globular cluster
- Constellation
- Sagitta
- How to observe
- 8.3ᵐ — visible with binoculars
- Angular size
- 7′
- Designation
- M71 · NGC 6838
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° | 49° | 50° |
| +55° | 54° | 56° |
| +45° | 64° | 63° |
| +30° | 79° | 68° |
| 0° | 71° | 71° |
| −35° | 36° | 67° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 12:08 |
| February | 10:01 |
| March | 08:16 |
| April | 06:22 |
| May | 04:28 |
| June | 02:22 |
| July | 00:18 |
| August | 22:17 |
| September | 20:24 |
| October | 18:35 |
| November | 16:34 |
| December | 14:26 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.