Galaxy Cluster Abell 2218

This Hubble Space Telescope image of the rich galaxy cluster, Abell 2218, is a spectacular example of Gravitational Lensing. The arc-like pattern spread across the picture like a spider web is an illusion caused by the gravitational field of the cluster.

Credit:

W.Couch (University of New South Wales), R. Ellis (Cambridge University), and NASA/ESA

About the Image

NASA press release
NASA caption
Id:opo9514a
Type:Observation
Release date:5 April 1995, 06:00
Size:1288 x 655 px

About the Object

Name:Abell 2218
Type:Early Universe : Galaxy : Type : Gravitationally Lensed
Early Universe : Galaxy : Grouping : Cluster
Distance:z=0.17 (redshift)
Constellation:Draco
Category:Star Clusters

Image Formats

Large JPEG
406.5 KB
Screensize JPEG
248.6 KB

Wallpapers

1024x768
361.0 KB
1280x1024
523.4 KB
1600x1200
691.3 KB
1920x1200
563.6 KB
2048x1536
656.8 KB

Coordinates

Position (RA):16 35 51.66
Position (Dec):66° 12' 25.35"
Field of view:2.13 x 1.08 arcminutes
Orientation:North is 49.5° right of vertical

Colours & filters

BandWavelengthTelescope
Infrared
I
814 nm Hubble Space Telescope
WFPC2
Optical
V
606 nm Hubble Space Telescope
WFPC2
Optical
B
450 nm Hubble Space Telescope
WFPC2

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