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Observation of sunspots made by John Willis on 25 July 1885. A neat sunspot is delineated at x120 magnification. One of 275 pencil, ink and colour wash observations of the Sun and Jupiter made by Willis in Folkestone between 1879 and 1906.
Title
Observation of the Sun, 25 July 1885
Date
1885
Medium
paper, pencil, ink, col. wash
Accession number
2001-769/57
Acquisition method
Sotheby's (Olympia)
Work type
Drawing
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Green/bold yellow observation of the Sun, 8 April 1904 Science Museum -
Black/yellow observation of the Sun, 1 April 1904 Science Museum
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Turquoise/yellow observation of the Sun, 23 April 1904 Science Museum
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Black/bold yellow observation of the Sun, 28 March 1904 Science Museum
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Black/cream observation of the Sun, 9 August 1904 Science Museum
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Blue-green/yellow observation of the Sun, 17 May 1904 Science Museum
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Turquoise/yellow observation of the Sun, 3 June 1904 Science Museum
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