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Its story

55 Leonis is a yellow-white F-type star in the body of the Lion, about 146 light-years away. Its light began the journey around 1880, when Edison was patenting the incandescent bulb and the urban night was starting to vanish as an astronomical spectacle. Slightly hotter than the Sun, it offers a white light barely tinted with yellow, discreet within a constellation dominated by the calls of Regulus and Denebola.