Solar Spectrum

Solar Spectrum

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Henry Draper (1837-1882) was a New York physician who did pioneering work with astronomical photography and spectroscopy. He was particularly proud of having seen bright lines, which saw as evidence of oxygen, in the solar spectrum. This image is marked “DISCOVERY OF OXYGEN IN THE SUN BY PHOTOGRAPHY, BY PROFESSOR HENRY DRAPER, M.D. 1876.”
Ref: Henry Draper, “Discovery of Oxygen in the Sun by Photography, and a new Theory of the Solar Spectrum,” American Journal of Science 14 (1877): 89-96.
George F. Barker, “Memoir of Henry Draper,” Biographical Memoirs of the National Academy of Sciences 3 (1895), pp. 81-139.
Currently not on view
Object Name
photograph, spectrum
date made
Draper, Henry
Physical Description
paper (overall material)
overall: 14 in x 28 in x 1/4 in; 35.56 cm x 71.12 cm x.635 cm
overall: 71 cm x 14 cm x.8 cm; 27 15/16 in x 5 1/2 in x 5/16 in
ID Number
accession number
catalog number
Credit Line
John William Christopher Draper and James Christopher Draper
See more items in
Medicine and Science: Physical Sciences
Data Source
National Museum of American History
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