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An ancient blast

Overall Photons: Andrea Iorio, Ashley Brown, Lorenzo Lilli, Giampiero Lilli, Jacopo Fallai, Quinn Groessl, Francisco Javier Pérez Olvera, Francesco Morini, George William Hoffman, Robin Livermore, Sara Santos

The supernova remnant G150.3+04.5 haunts the constellation Camelopardalis as a vast, ghostly shell spanning over 2° on the sky. Discovered in 2014, it shares this field with a chaotic complex of dark nebulae — including LDN 1400. This image is the result of a collaboration comprising 378 hours of deep imaging.