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

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

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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