M 34

Scientific overview

M 34 is an open cluster in the constellation Perseus. It shines at apparent magnitude 5.2 and spans about 22.5 arcminutes of sky.

Difficulty

Binoculars

Recommended equipment

10×50 binoculars or any small telescope

Best observed

Winter (N. evening sky)

Best hemisphere

Northern

Guidance follows standard observing practice, derived from the object's real magnitude and position. A dark, moonless sky always helps.

RA / Dec

2.7021h / 42.7461°

Hemisphere

Northern

Season

Winter

Object	Type	Mag	Size (′)
h Persei ClusterNGC 869	Open cluster	3.7	14.4
chi Persei ClusterNGC 884	Open cluster	3.8	10.5
California NebulaNGC 1499	Nebula	5	160
NGC 1545NGC 1545	Open cluster	6.2	4.2
NGC 1528NGC 1528	Open cluster	6.4	9.6
NGC 1444NGC 1444	Open cluster	6.6	3.6
NGC 1342NGC 1342	Open cluster	6.7	6.3
NGC 1582NGC 1582	Open cluster	7	7.8

Facts on this topic will be cited from these primary and reference sources.

OpenNGCOpenNGC (M. Verga) — NGC/IC, Messier, and Caldwell catalogue data
Openly-licensed deep-sky catalogue: object types, positions, magnitudes, sizes, morphology, and cross-identifiers.

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