Drawing of dusky purple horizon, with copper coloured cumuli on green sky
1883
Chromatics of the Sky, John Sanford Dyason, 1883-1887. 18 drawings: chalk and crayon, colour; 11x16cm on cards, 24x29cm. Studies of sky colour and weather conditions, in particular at sunrise or sunset, 1883 Feb. 3 - 1887 Dec. 5; some, contemporary to probable effects of eruption of Krakatoa, eg 1883 Nov. 9 "the first afterglow observed"; Dyason's captions more informative than palette.
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