"Donati's Comet - Formation and Development of Cometary Appendages, from Drawings by P. G. Bond.
1. September 24, 1858.
2. September 26, 1858.
3. October 3, 1858.
4. October 5, 1858.
From "The World of Comets" by Amédée Guillemin (1877).
archive.org/details/worldofcom…
