Prediction of sunspots
Date
November 1676
Creator
Unknown, Artist
Object type
Archive reference number
Manuscript page number
p3
Material
Technique
Dimensions
height (page): 340mm
width (page): 202mm
width (page): 202mm
Subject
Content object
Description
A print of Cassini's prediction of the appearance of the sunspots in November 1676, which he exhibited to the Royal Academy of Sciences in Paris. It was included in a small separate tract, 'Description du mouvement que doit faire dans le Soleil une Tache sur la fin de Novembre 1676', sent with Cassini's letter to Henry Oldenburg dated 25 November 1676.
There is a copy of this image at LBO/28/327. There is a variant of this image at EL/C1/65/008 with the observed positions added.
There is a copy of this image at LBO/28/327. There is a variant of this image at EL/C1/65/008 with the observed positions added.
Transcription
At the top of the print: Maculae in Sole appariturae a die 18 ad 30 Novembris 1676 vestigium proximum (translation: Approximate path of the sunpsot which is due to appear on the sun from 18 to 30 November, Hall and Hall, Correspondence of Henry Oldenburg, vol. 13, 136n2)
Transcribed by the Making Visible project
Transcribed by the Making Visible project
Object history
J. D. Cassini, ‘Observation of Sun spot and Saturn’, Phil. Trans. vol. 11, no. 128 (August and September 1676), pp. 689-90 (ref. to Tab II, figs 2 & 3, p. 689; ref. to Tab II, fig. 4, p. 690).
Related fellows
Jean Dominique Cassini (1625 - 1712, Italian) , Astronomer, Astronomer
Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
Henry Oldenburg (1612 - 1677, German) , Scientific correspondent
Associated place