Red evening light and twilight rays

Study of a red twilight with solar rays observed at the end of the rainy season in Loango, at the mouth of the Congo, Africa, 1 April 1875. Plate 8 from the book Untersuchungen uber Dämmerungserscheinungen zur Erklarung der nach dem Krakatau-ausbruch beobachteten atmospharisch-optischen Storung, by J. Kiessling (Hamburg, Leopold Voss, 1888). The plate is inscribed above: ‘Kiessling, Dämmerung-Untersuchungen. Taf. VIII.’ Inscribed below: ‘ROTES ABENDLICHT MIT DAMMERUNGSSTRAHLEN AM SCHLUSS DER REGENZEIT (ABEND). [Red evening light with twilight rays at the end of the rainy season, evening]. Pechuel-Loesche.Loangokuste, Tschiloango, April 1. 1875. Chromolithographie von Leo Kempner & Co. in Hamburg. Verlag von Leopold Voss in Hamburg (und Leipzig).’ Eduard Moritz Pechuël-Loesche (1840-1913) German naturalist and watercolour painter who travelled widely, including on expeditions to the Congo, Africa.