NGC 2186

Scientific overview

NGC 2186 is an open cluster in the constellation Orion. It shines at apparent magnitude 8.7 and spans about 4.2 arcminutes of sky.

Difficulty

Small telescope

Recommended equipment

≈ 80–100 mm telescope

Best observed

Winter (evening sky)

Best hemisphere

Both (equatorial)

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

RA / Dec

6.202h / 5.4586°

Hemisphere

Both

Season

Winter

Object	Type	Mag	Size (′)
Lower SwordNGC 1980	Cluster with nebulosity	2.5	9.3
Great Orion NebulaM 42 · NGC 1976	Cluster with nebulosity	4	90
Upper SwordNGC 1981	Cluster with nebulosity	4.2	9
NGC 1788NGC 1788	Reflection nebula	5.8	2
NGC 2169NGC 2169	Open cluster	5.9	7.2
NGC 1662NGC 1662	Open cluster	6.4	13.8
NGC 2175NGC 2175	Cluster with nebulosity	6.8	5.4
NGC 1973NGC 1973	Nebula	7	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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