This surprising alignment left Hubble astrologers dazzled with it's engagement ring appearance. Made up of Abell 33 creating a blue nebula 'ring', and HD 83535 that made up the 'diamond'.
Abell 33 is 2,500 light years away and is transitioning to become a white dwarf. A small, dense and hot remnant of a star that cools down over billions of year. In this transition it blows off its atmosphere creating the glowing blue gas cloud nebulae you can see in the photo. The original star appears in the center of this blue ring.