Giovanni Battista Donati, the astronomer at the Museum of Florence, discovered the comet that will bear his name. At the time it was still 228 million miles away but will be the brightest comet to visit close to the Earth during the nineteenth century. (By John Osborne)
Source Citation
Chronicle,The Annual Register or a View of the History and Politics of the Year 1858 (London: F. & J. Rivington, 1859), 166.