History: The first successful photograph of a comet - Comet Donati - on September 27, 1858, by William Usherwood [524x356]

https://i.redd.it/knyor1xlqcty.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/6742b6/the_first_successful_photograph_of_a_comet_comet/?utm_source=ifttt