English: Two images of the shell surrounding the nova DQ Hercules. Both are Halpha narrow band images. The left image was taken with the William Herschel Telescope, and the right image was taken with the Nordic Optical Telescope. This image originally appeared in a scientific journal article (DOI 10.3847/1538-4357/ab76c5). It was uploaded with the permission of the paper's first author, Edgar Santamaria.
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