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
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

r.titleLarge JPEG
407.0 KB
r.titleScreensize JPEG
249.1 KB

Wallpapers

r.title1024x768
361.6 KB
r.title1280x1024
523.9 KB
r.title1600x1200
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r.title1920x1200
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r.title2048x1536
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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
Optical
B
450 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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