Details of Supernova Remnant Cassiopeia A

This is a section of Cassiopeia A, the youngest known supernova remnant in our Milky Way Galaxy.  These streamer like remains of an exploding star are 10,000 light-years away in the constellation Cassiopeia and were first observed from Earth 320 years ago.

Credit:

NASA/ESA and the Hubble Heritage Team (STScI/AURA)

About the Image

NASA press release
NASA caption
Id:opo0215f
Type:Observation
Release date:3 July 2002, 06:00
Size:581 x 704 px

About the Object

Name:Cassiopeia A, SNR 111.7-02.1
Type:• Milky Way : Nebula : Type : Supernova Remnant
• X - Nebulae Images/Videos
Distance:11000 light years
Constellation:Cassiopeia


Image Formats

Fullsize Original
965.0 KB
Large JPEG
265.7 KB
Screensize JPEG
451.9 KB

Coordinates

Position (RA):23 23 36.49
Position (Dec):58° 49' 46.12"
Field of view:0.96 x 1.16 arcminutes
Orientation:North is 0.1° left of vertical
View in WorldWide Telescope:
View in WorldWide Telescope

Colours & filters

BandWavelengthTelescope
Optical
B
450 nm Hubble Space Telescope
WFPC2
Optical
R
675 nm Hubble Space Telescope
WFPC2
Infrared
Z
850 nm Hubble Space Telescope
WFPC2

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