Target guide · open cluster

M34 with a smart telescope

M34 is a open cluster about 35 arcminutes (0.58°) across, magnitude 5.2. It is highest around midnight in October, best placed for the northern hemisphere, and bright enough to image from a suburb or even a city. Of the 12 smart telescopes we track, DWARF mini, Seestar S30, Seestar S50 Pro frame it best.

Key facts

CatalogueM34
Typeopen cluster
Apparent size35′ × 35′
Magnitude5.2
Position (J2000)RA 2.70 h, Dec 42.8°
Highest at midnightOctober (±2 weeks)
Sky neededCity-friendly surface brightness 21.5 mag/arcsec²

In the best-matching frame

M34 · 35′ × 35′
M34 (blue) inside the native frame of DWARF mini (2.13° × 1.2°).

Imaging tips

Star clusters and star groups are bright and forgiving: they show well from a city and need only short sessions. A wider field of view shows the whole group with some surrounding sky. M34 is one of the easier targets from light-polluted skies.

Which smart telescope frames it best

TelescopeField of viewFit
DWARFLAB DWARF mini2.13° × 1.2°fits well
ZWO Seestar S302.14° × 1.21°fits well
ZWO Seestar S50 Pro2.45° × 1.38°fits well
Vaonis Vespera II2.5° × 1.4°fits well
Vaonis Vespera 32.5° × 1.4°fits well
Vaonis Vespera Pro 21.6° × 1.6°fits well
DWARFLAB DWARF 32.93° × 1.65°fits well
Celestron Origin Mark II1.32° × 0.75°fits well
ZWO Seestar S501.29° × 0.73°fits well
ZWO Seestar S30 Pro3.99° × 2.24°fits well
Unistellar Odyssey0.75° × 0.56°larger than the frame
Unistellar Odyssey Pro0.75° × 0.56°larger than the frame

How high it gets from where you live

Highest altitude above a flat horizon. Below about 20° the image suffers from haze and light pollution; trees and roofs often block it completely.

LatitudeHighest altitude
Oslo, 60° N73°
Amsterdam, 52° N81°
Madrid, 40° N87°
Miami, 26° N73°
Equator47°
Sydney, 34° S13°
See if it clears your own horizon tonight

Nearby in the sky

Objects close to M34 in the sky, so you can image them in the same session.

Questions and answers

Can I photograph M34 from a city?
Yes. It is bright enough to image from a suburb or even a city.
Which smart telescope is best for M34?
DWARF mini, Seestar S30, Seestar S50 Pro frame it best in a single frame, based on its size and each telescope's field of view.
When is the best time to photograph M34?
It is highest around midnight in October and best placed for the northern hemisphere. From 52° north it climbs to about 81° at most.

Object data: Messier catalogue via d3-celestial (BSD-3). Altitudes and dates are calculated, not observed.