Herschel's Jewel Box

Scientific overview

Herschel's Jewel Box is an open cluster in the constellation Crux. It spans about 7.8 arcminutes of sky.

RA / Dec

12.8936h / -60.3563°

Hemisphere

Southern

Season

Spring

Object	Type	Mag	Size (′)
Coalsack ClusterC 98 · NGC 4609	Open cluster	6.9	5.4
NGC 4103NGC 4103	Open cluster	7.4	7.8
NGC 4349NGC 4349	Open cluster	7.4	6.3
NGC 4439NGC 4439	Open cluster	8.4	4.5
NGC 4052NGC 4052	Open cluster	8.8	5.1
NGC 4337NGC 4337	Open cluster	8.9	6.6

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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