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ASTRONOMY -- CASSINI, J.D. Observations sur la comete qui a paru au mois de decembre 1680 et en janvier 1681. (&) Abregé des observations & des reflexions sur la comete. Par., E. Michallet, 1681. 2 parts in 1 vol. 90, (2); xxxix pp. 4°. Mod. cf. w. old wrps. bound up. (Without plates, a bit age-toned).
This work contains Cassini's observations of the Great Comet of 1680. This comet was the first discovered by telescope. It was one of the brightest comets of the 17th century, reaching peak brightness on 29 December 1680, remaining visible until March 1681. - Rare first edition.€ 300
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