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Photograph (Gelatine Print) of a Cluster in Perseus, Taken by Charles Pritchard at the University Observatory, Oxford, Late 19th Century (Originally Taken 1885)

Inventory Number 77553

Acknowledgement: © History of Science Museum, University of Oxford, inv.77553

Item type
Object
Provenance
From the University Observatory, Oxford.
Primary inscriptions
Manuscript heading on mount: 'Cluster in Perseus | Enlarged 3 times from a negative by Prof. Pritchard | De la Rue reflector 120 ins. focal length. 13 ins. aperture | 30m. exposure. 1888.' [corrected to 1885].
Physical material
Card
Paper
Dimensions
Height: 355mm Width: 295mm Depth: 2mm Weight: 83g
Inventory No
77553

Description

Gelatine print mounted on card. Positive print of a photograph of an area of the sky centring on the Cluster in Perseus.

Image is enlarged 3x from an original negative taken by Professor Charles Pritchard, using the De la Rue telescope in Oxford. The De la Rue reflector was set to 120 ins. focal length, 13 ins. aperture, 30m. exposure to take this image.

The original negative and a contemporary glass positive of this photograph are also in the museum's collection. This print on paper was made a little later than the original (1885).

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