NGC 3680

Scientific overview

NGC 3680 is an open cluster in the constellation Centaurus. It shines at apparent magnitude 7.6 and spans about 5.7 arcminutes of sky.

Difficulty

Small telescope

Recommended equipment

≈ 80–100 mm telescope

Best observed

Spring (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

11.427h / -43.2501°

Hemisphere

Southern

Season

Spring

Object	Type	Mag	Size (′)
lam Cen Nebula	Cluster with nebulosity	4.5	7.2
Pearl ClusterC 97 · NGC 3766	Open cluster	5.3	6.9
NGC 5138NGC 5138	Open cluster	5.33	4.2
Omega CentauriC 80 · NGC 5139	Globular cluster	5.33	27
NGC 5662NGC 5662	Open cluster	5.5	8.1
NGC 5460NGC 5460	Open cluster	5.6	13.2
NGC 5281NGC 5281	Open cluster	5.9	6.9
NGC 5316NGC 5316	Open cluster	6	9.9

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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