Saturn

    Date
    26 September 1670
    Creator
    Robert Hooke (1635 - 1703, British) , Natural philosopher
    Object type
    Archive reference number
    Manuscript page number
    p109
    Material
    Dimensions
    height (page): 361mm
    width (page): 230mm
    Subject
    Content object
    space
       > Solar system
          > planet
             > Saturn
    Description
    Drawing of Saturn observed by Robert Hooke, dated 16/26 September 1670 (Old and New Styles), on a piece of paper (H:92mm W:173mm) which was glued onto an entry about Hooke's later observation of a lunar eclipse (September 1671). The drawing was shown at the meeting of the Royal Society on 27 October 1670, and judged to agree with Christian Huygens's observation of Saturn in the same month. Hooke's figure was printed in Philosophical Transactions vol. 5, no. 65 (November 1670).

    This is copied in RBC/3/184.
    Object history
    At the first meeting after the summer recess on 27 October 1670, Henry Oldenburg read a letter ‘from Monsr. Huygens dated at the Hague, 31 Oct. 1670, N.S. containing his observation of Saturn agreeing with those of Mr. Hevelius and Mr. Hooke, the latter of whom produced his also made in September preceding’ (Birch 2:449).

    Tab. 1, Fig. III: Hooke's observation of the ring of Saturn, September 26/16 1670, in 'Some communications, confirming the present appearance of the ring about Saturn, by M. Huygens and Mr. Hooke', Phil. Trans. vol. 5, no. 65 (November 1670), p. 2093.
    Related fellows
    Robert Hooke (1635 - 1703, British) , Natural philosopher
    Associated place
    <The World>
       > Europe
          > United Kingdom
    Credit
    ©The Royal Society
    Image number
    RS.14334
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