Finlay’s Comet. Photograph IV, 1882 Nov. 7d 14h 42m. Exposure 110minutes (titre original)

Finlay’s Comet. Photograph V, 1882 Nov. 14d 14h 15m. Exposure 140m (titre original)

Finlay’s Comet. Photograph I, 1882 Oct. 19d 15h 45m. Exposure 30m, equivalent focus of lens about 11 inches (titre original)

Finlay’s Comet. Photograph II, 1882 Oct. 20d 15h 30m. Exposure 60m, equivalent focus of lens about 11 inches (titre original)