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Dark blue-green/yellow observation of sunspots made by John Willis on 17 May 1904 at 4:45pm. One of 275 pencil, ink and colour wash observations of the Sun and Jupiter made by Willis in Folkestone between 1879 and 1906.
Title
Blue-green/yellow observation of the Sun, 17 May 1904
Date
1904
Medium
paper, pencil, ink, col. wash
Accession number
2001-769/117
Acquisition method
Sotheby's (Olympia)
Work type
Drawing