# Jewel Box (NGC 4755)

Jewel Box (NGC 4755) is an open cluster in the constellation Crux, magnitude 4.2, 10′ across.

A small, brilliant open cluster beside Beta Crucis (Mimosa); its blue-white stars and one orange supergiant reminded John Herschel of “a superb piece of fancy jewellery”.

## When and where to see it

It is best placed in the evening sky around May, when it crosses the meridian at about 10 pm local time (around midnight in April). It can be seen from everywhere south of 30°N and never sets south of 30°S.

At its highest it stands below the horizon from 50°N, below the horizon from 35°N, 30° up from the equator, 65° up from 35°S.

## Facts

- Type: Open cluster
- Constellation: Crux
- Designations: NGC 4755, C 94, Mel 114, Cr 264, Herschel's Jewel Box, Kappa Crucis Cluster, Melotte 114, Collinder 264
- Magnitude: 4.2
- Apparent size: 10′
- Position: RA 12h 53.6m, Dec −60° 21′ (J2000)

Open AstroPilot to see when Jewel Box (NGC 4755) is highest tonight from your location, how easy it is with your telescope or binoculars, and an eyepiece view. https://astropilot.space/object/NGC4755