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Sunday, April 23, 2017

The first successful photograph of a comet - Comet Donati - on...



The first successful photograph of a comet - Comet Donati - on September 27, 1858, by William Usherwood [524x356] via /r/spaceporn http://ift.tt/2pTmAMO



via Tumblr http://ift.tt/2q4xy1d

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