Grey green/grey striped observation of Jupiter, 14 September 1890
Grey green/grey striped observation of Jupiter made by John Willis on 14 September 1890 at 9:40pm. On the reverse Willis has noted: "3 inch. 240. II Sat and Shadow". This drawing shows satellite Europa to left of planet and shadow transit on the disc of Jupiter. One of 275 pencil, ink and colour wash observations of the Sun and Jupiter made by Willis in Folkestone between 1879 and 1906.