Saturn's satellite (Japet)

Date

1 January 1672

Object type

manuscript
diagram

Archive reference number

LBO/5/34

Manuscript page number

p122

Material

ink
paper

Dimensions

height (page): 314mm
width (page): 195mm

Subject

Astronomy

Content object

space
   > Solar system
      > planet
         > Saturn

Description

A figure in text showing a second satellite of Saturn (Japet) observed by Jean Dominique Cassini on 25 October 1671. This description was sent to Henry Oldenburg by Francis Vernon in a letter dated 30 December 1671. It was read at the meeting of the Royal Society on 11 January 1672 and printed in Philosophical Transactions of the Royal Society of London, vol. 8, no. 92 (1673).

Object history

'A discovery of two planets about Saturn, made in the Royal Parisian Observatory by Signor Cassini', Phil. Trans. vol. 8, no. 92 (1673), pp. 5178-85.

Related fellows

Jean Dominique Cassini (1625 - 1712, Italian) , Astronomer, Astronomer
Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
Francis Vernon (1632 - 1677, British) , Traveller, Traveller

Associated place

<The World>
> Europe
> France