Celestial hemisphere:  Southern  ·  Constellation: Vela (Vel)  ·  Contains:  The star a Vel  ·  The star b Vel  ·  The star d Vel  ·  The star e Vel  ·  The star f Vel  ·  The star g Vel  ·  The star n Vel
The Vela Supernova Remnant in H-alpha and OIII Light, @HalH75
The Vela Supernova Remnant in H-alpha and OIII Light
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The Vela Supernova Remnant in H-alpha and OIII Light

The Vela Supernova Remnant in H-alpha and OIII Light, @HalH75
The Vela Supernova Remnant in H-alpha and OIII Light
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The Vela Supernova Remnant in H-alpha and OIII Light

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Immersed within the Gum 12 nebula ~900 lys away lies the Vela Supernova Remnant. Laced with intertwining filaments and loops of excited oxygen (blue) and both filamentary and more diffuse hydrogen (red), it originated with the explosion of a massive star sometime between 11,000 and 12,300 years ago. The eventual recognition of the association between this remnant and the Vela Pulsar located just below the blue ring at the upper center of the frame provided direct observational evidence that supernova explosions produce rotating neutron stars. This image was constructed from narrowband data acquired remotely at Chilescope during April’s and May’s full moon by an unguided FLI Microline 16200 camera fitted with a fast Nikkor 200:2 lens (100 mm aperture, f/2). Three minute unbinned exposures were taken through H-alpha and OIII filters of this 7.7 x 6.0 deg field, which were stacked for 2-hrs each. The image is oriented with north down and east to the right.

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The Vela Supernova Remnant in H-alpha and OIII Light, @HalH75