30 Dor Cluster

Scientific overview

30 Dor Cluster is an H II region in the constellation Dorado. It shines at apparent magnitude 7.25 and spans about 16 arcminutes of sky.

Difficulty

Small telescope

Recommended equipment

≈ 80–100 mm telescope

Best observed

Winter (S. evening sky)

Best hemisphere

Southern

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

RA / Dec

5.6451h / -69.1009°

Hemisphere

Southern

Season

Winter

Object	Type	Mag	Size (′)
NGC 2074NGC 2074	Cluster with nebulosity	8.5	4
NGC 1955NGC 1955	H II region	8.87	4
NGC 1850NGC 1850	Globular cluster	8.96	3
NGC 2014NGC 2014	Nebula	8.97	5.1
NGC 1553NGC 1553	Lenticular galaxy	9.31	6.25
NGC 1747NGC 1747	Open cluster	9.37	4.4
NGC 1763NGC 1763	Cluster with nebulosity	9.4	5.2
NGC 2042NGC 2042	Open cluster	9.58	4.5

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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