Case Western Reserve University undergraduate student Chris Carr and colleagues have spotted a very diffuse extragalactic cloud in a group of galaxies in the constellation Leo. Wide field image of the Leo I galaxy group. BST1047+1156 is located at the center of the white box. Image credit: Mihos et al, doi: 10.3847/2041-8213/aad62e. The newly-discovered object, BST1047+1156, is part of a collection of about 24 galaxies called the Leo I group (also...
