Record

Reference numberEL/C1/52
LevelItem
TitleJean Dominique Cassini, dated at Paris, to Henry Oldenburg
CreatorCassini; Jean Dominique (1625-1712); Italian/French mathematician; astronomer; engineer; astrologer
Date20 August 1671
DescriptionCassini says that he sends a copy of his observations of the sunspots, then gives details of his observations of Saturn, and informs Oldenburg that Monsieur Picard was going to Tycho Brahe's observatory on the island of Hven in the Danish Sound to observe the lunar eclipse and the difference between the meridians and the height of the Pole
Read to the Royal Society on 2 November 1671
LanguageLatin
Extent2 sides
FormatManuscript
Place originParis, le-de-France, France
Origin coordinates48.85341, 2.3488
Access statusOpen
Related materialTranscribed in LBO/4/352, LBC/4/467
Transcribed and translated in 'The correspondence of Henry Oldenburg', ed and trans by A Rupert Hall and Marie Boas Hall, vol 8, p 193
For Cassini's paper on the sunspots see 'Philosophical Transactions', vol 6, no 75, pp 2250-2253
URL descriptionAlso available on Early Modern Letters Online
URLhttp://emlo.bodleian.ox.ac.uk/profile/work/232f80c6-25a0-4f3c-acc9-264ed2c4b280
Fellows associated with this archive
CodeNameDates
NA8383Cassini; Jean Dominique (1625 - 1712); astronomer1625 - 1712
NA8001Oldenburg; Henry (c1619 - 1677); scientific correspondentc1619 - 1677
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