About the Object

Distance: 25 million light years
Constellation: Leo
Category: Galaxies
NIRCam
Picture of the Month

Coordinates

Position (RA):10 25 5.63
Position (Dec):17° 9' 43.00"
Field of view:1.96 x 2.02 arcminutes
Orientation:North is 156.2° left of vertical

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Colours & filters

BandWavelengthTelescope
Infrared (Blue)1.5 μmJames Webb Space Telescope
NIRCam
Infrared (Cyan)
P-alpha
1.87 μmJames Webb Space Telescope
NIRCam
Infrared (Green)
water ice
3.0 μmJames Webb Space Telescope
NIRCam
Infrared (Red)
PAH
3.35 μmJames Webb Space Telescope
NIRCam

Arp 263 (crop)

The latest ESA/Webb Picture of the Month is a new, infrared look into the strange final phase of a galactic merger. Arp 263, an irregular galaxy, lies in the constellation Leo at a relatively nearby distance of around 25 million light-years.

This version of the image is adjusted for comparison with Hubble’s view of Arp 263 — see them together here.

[Image Description: An irregular galaxy, appearing like a broad band of tiny stars. It is much denser on one side, with a faint cloud of gas among the stars. Clumps of brighter points are newly formed stars, with the largest lights being star clusters. Shells of glowing orange dust surround the clumps. A foreground star appears very large and bright. A few distant galaxies appear in the background.]

Credit:

ESA/Webb, NASA & CSA, A. Leroy

About the Image

Id: potm2608c
Type: Observation
Release date: 27 August 2026, 10:00
Size: 3836 x 3940 px


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