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Black/cream observation of sunspots made by John Willis on 26 July 1885 at 8:30am. The disc is ruled in quarters to indicate the north-south pole of the Sun and its axis of rotation. Their apparent position changes throughout the year. One of 275 pencil, ink and colour wash observations of the Sun and Jupiter made by Willis in Folkestone between 1879 and 1906.
Title
Black/cream observation of the Sun, 26 July 1885
Date
1885
Medium
paper, pencil, ink, col. wash
Accession number
2001-769/58
Acquisition method
Sotheby's (Olympia)
Work type
Drawing