Portion of the Vela Supernova Remnant;Vela 
Astro-Physics 155 EDF (155TCC) f/5.4 refractor 
KAF-16803; FLI Proline 
Total Exposure TIme: 14 hours; Ha:OIII:OIII+Ha 440:320:320+440(20%blend), RGB (stars) 27:27:27; unbinned 
January 2009; RDO, Moorook, AU 
Comments: This image shows a small portion of an immense bubble of interstellar gas which was ejected at the time of a supernova some 11,000 years ago. The above image captures some of that filamentary and gigantic shock in visible light. Hydrogen atoms being excited by atomic collisions glow red, while oxygen appears blue-green. 
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