A Menagerie of Galaxies

This packed ESA/Hubble Picture of the Week showcases the galaxy cluster ACO S 295, as well as a jostling crowd of background galaxies and foreground stars. Galaxies of all shapes and sizes populate this image, ranging from stately spirals to fuzzy ellipticals. As well as a range of sizes, this galactic menagerie boasts a range of orientations, with spiral galaxies such as the one at the centre of this image appearing almost face on, and some edge-on spiral galaxies visible only as thin slivers of light.

The cluster dominates the centre of this image, both visually and physically. The huge mass of the galaxy cluster has gravitationally lensed the background galaxies, distorting and smearing their shapes. As well as providing astronomers with a natural magnifying glass with which to study distant galaxies, gravitational lensing has subtly framed the centre of this image, producing a visually striking scene.

Links

Credit:

ESA/Hubble & NASA, F. Pacaud, D. Coe

About the Image

Id:potw2120a
Type:Observation
Release date:17 May 2021, 06:00
Size:2895 x 2463 px

About the Object

Name:ACO S 295
Constellation:Horologium
Category:Galaxies

Image Formats

Large JPEG
2.8 MB
Screensize JPEG
314.3 KB

Zoomable


Wallpapers

1024x768
330.2 KB
1280x1024
554.9 KB
1600x1200
837.2 KB
1920x1200
1.0 MB
2048x1536
1.4 MB

Coordinates

Position (RA):2 45 30.98
Position (Dec):-53° 2' 25.37"
Field of view:2.41 x 2.05 arcminutes
Orientation:North is 4.0° left of vertical


Colours & filters

BandWavelengthTelescope
Optical
B
435 nm Hubble Space Telescope
ACS
Optical
V
606 nm Hubble Space Telescope
ACS
Optical
I
814 nm Hubble Space Telescope
ACS
Infrared
H
1.6 μm Hubble Space Telescope
WFC3
Infrared
Y
1.05 μm Hubble Space Telescope
WFC3
Infrared
H/J
1.4 μm Hubble Space Telescope
WFC3
Infrared
J
1.25 μm Hubble Space Telescope
WFC3

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