M34
open cluster · Perseus · 5.2ᵐ
A Messier catalogue object — open cluster in Perseus.
Notable facts
About 1 the apparent diameter of the Moon.
In brief
Which constellation is M34 in?
M34 lies in Perseus.
Is M34 visible to the naked eye?
5.2ᵐ — visible to the naked eye (under dark skies).
When is the best time to observe M34?
Best observed in October.
Data
- RA / Dec (J2000)
- 2h 42m · +42° 47′
- Type
- open cluster
- Constellation
- Perseus
- How to observe
- 5.2ᵐ — visible to the naked eye (under dark skies)
- Angular size
- 35′
- Designation
- M34 · NGC 1039
Observing tip
Best in binoculars or a telescope at low power, so the whole cluster fits in the field of view.
Altitude above the horizon by latitude
| Latitude | Maximum altitude | Rise azimuth |
|---|---|---|
| +60° | 73° · never sets | — |
| +55° | 78° · never sets | — |
| +45° | 88° | 16° |
| +30° | 77° | 38° |
| 0° | 47° | 47° |
| −35° | 12° | 34° |
Geometric altitude at upper culmination, atmospheric refraction not included. Positive latitudes are in the northern hemisphere.
Culmination time by month
| Month | Culmination |
|---|---|
| January | 18:56 |
| February | 16:49 |
| March | 15:04 |
| April | 13:11 |
| May | 11:16 |
| June | 09:10 |
| July | 07:06 |
| August | 05:05 |
| September | 03:12 |
| October | 01:23 |
| November | 23:23 |
| December | 21:14 |
Upper culmination in local solar time — no time-zone or daylight-saving correction applied.