M19
globular cluster · Ophiuchus · 7.2ᵐ
A Messier catalogue object — globular cluster in Ophiuchus.
Notable facts
About 1/2 the apparent diameter of the Moon.
In brief
Which constellation is M19 in?
M19 lies in Ophiuchus.
Is M19 visible to the naked eye?
7.2ᵐ — visible with binoculars.
When is the best time to observe M19?
Best observed in June.
Data
- RA / Dec (J2000)
- 17h 03m · −26° 16′
- Type
- globular cluster
- Constellation
- Ophiuchus
- How to observe
- 7.2ᵐ — visible with binoculars
- Angular size
- 14′
- Designation
- M19 · NGC 6273
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° | 4° | 152° |
| +55° | 9° | 140° |
| +45° | 19° | 129° |
| +30° | 34° | 121° |
| 0° | 64° | 116° |
| −35° | 81° | 123° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 09:17 |
| February | 07:10 |
| March | 05:24 |
| April | 03:31 |
| May | 01:37 |
| June | 23:31 |
| July | 21:27 |
| August | 19:26 |
| September | 17:33 |
| October | 15:44 |
| November | 13:43 |
| December | 11:35 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.