Credit: ©The Royal Society
    Image number: RS.20989

    Camera obscura

    Date
    1647
    Creator
    Unknown, Engraver
    Object type
    Library reference
    44020
    Material
    Technique
    Dimensions
    height (page): 355mm
    width (page): 230mm
    height (plate): 205mm
    width (plate): 180mm
    Subject
    Content object
    Description
    Interior view of a camera obscura, where a method of studying sunspots is depicted, using a scioptic ball attached to the wall [left as viewed] to project the suns image on to a screen [right]. Behind, various sextants are mounted to the wall.

    Figure L from Johannes Hevelius’s Selenographia (Gdansk, 1647).

    Johannes Hevelius (1611-1687), Polish astronomer, was elected a Fellow of the Royal Society in 1664. He devoted much of his life to constructing astronomical instruments, and developed a well-equipped observatory in Danzig, Poland.
    Related fellows
    Johannes Hevelius (1611 - 1687, German/Polish) , Astronomer
    Associated place
    <The World>
       > Europe
          > Poland
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