File:Drawing of comet 9P by Tempel-from his personal notebooks in the Arcetri.jpg

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Drawing_of_comet_9P_by_Tempel-from_his_personal_notebooks_in_the_Arcetri.jpg ‎(268 × 316 pixels, file size: 22 KB, MIME type: image/jpeg)

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English: Drawing of comet 9P/Tempel (also known as Tempel 1) by its discoverer, Wilhem Tempel, observed on 30 July 1867. From his personal notebooks in the Arcetri.
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Source https://www.researchgate.net/figure/Drawings-of-comets-discovered-by-Tempel-from-his-personal-notebooks-in-the-Arcetri_fig2_238023570
Author Wilhelm Tempel

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