M2
globular cluster · Aquarius · 6.5ᵐ
A Messier catalogue object — globular cluster in Aquarius.
Notable facts
About 1/2 the apparent diameter of the Moon.
In brief
Which constellation is M2 in?
M2 lies in Aquarius.
Is M2 visible to the naked eye?
6.5ᵐ — visible with binoculars.
When is the best time to observe M2?
Best observed in August.
Data
- RA / Dec (J2000)
- 21h 33m · −0° 49′
- Type
- globular cluster
- Constellation
- Aquarius
- How to observe
- 6.5ᵐ — visible with binoculars
- Angular size
- 13′
- Designation
- M2 · NGC 7089
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° | 29° | 92° |
| +55° | 34° | 91° |
| +45° | 44° | 91° |
| +30° | 59° | 91° |
| 0° | 89° | 91° |
| −35° | 56° | 91° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 13:48 |
| February | 11:41 |
| March | 09:55 |
| April | 08:02 |
| May | 06:08 |
| June | 04:02 |
| July | 01:58 |
| August | 23:57 |
| September | 22:04 |
| October | 20:15 |
| November | 18:14 |
| December | 16:06 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.