Tagged: Nova - Adam Lundie - Eatons Hill Observatory

The Vela Supernova Remnant is an expanding bubble of ionized gas 800 light years away, caused by a supernova explosion 12000 years ago. This image is a small section of the bubble, presented as a narrowband combination of light emitted by Hydrogen alpha, Sulfur II and Oxygen III.

R Aquarii is a symbiotic star system where a white dwarf is drawing material from its binary red giant companion. The extra material is then ejected into space in loops and jets.