The first known photograph of a comet. Donati’s Comet, taken at Harvard College Observatory in 1858.
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I don't think that's possible. Photography was still *very* young in 1858, and there would have been no way to capture something so dim with such detail. Sure you have the date right?
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I wouldn't know. I saw it listed as such but it was long ago. I believe you (I can't believe I'm saying this) so it might be wrong but I'm not about to check.
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