Too Close for Comfort

This Hubble Space Telescope view of the core of one of the nearest globular star clusters, called NGC 6397, resembles a treasure chest of glittering jewels. The cluster is located 8,200 light-years away in the constellation Ara.

Here, the stars are jam-packed together. The stellar density is about a million times greater than in our Sun's stellar neighborhood. The stars are only a few light-weeks apart, while the nearest star to our Sun is over four light-years away.

Credit:

NASA/ESA and the Hubble Heritage Team (AURA/STScI)

About the Image

NASA press release
NASA caption
Id:opo0321a
Type:Observation
Release date:7 August 2003, 15:00
Size:2500 x 2566 px

About the Object

Name:NGC 6397
Type:Milky Way : Star : Grouping : Cluster : Globular
Distance:9000 light years
Constellation:Ara
Category:Star Clusters

Image Formats

Large JPEG
2.4 MB
Screensize JPEG
480.9 KB

Wallpapers

1024x768
477.7 KB
1280x1024
716.5 KB
1600x1200
966.6 KB
1920x1200
802.8 KB
2048x1536
1.0 MB

Coordinates

Position (RA):17 40 42.10
Position (Dec):-53° 40' 20.52"
Field of view:2.12 x 2.18 arcminutes
Orientation:North is 193.0° left of vertical

Colours & filters

BandWavelengthTelescope
Ultraviolet
U
336 nm Hubble Space Telescope
WFPC2
Optical
V
606 nm Hubble Space Telescope
WFPC2
Infrared
I
814 nm Hubble Space Telescope
WFPC2

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