An illustration of a sunspot, c1873. After Samuel Langley (1834-1906). Langley's remarkably detailed 1873 illustration of a sunspot, observed while using a 13-inch Fitz-Clark refractor.

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Size: 7086px × 6330px
Photo credit: © The History Emporium / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 1873, 19th, astronomer, astronomy, century, drawing, engraving, fitz-clark, illustration, langley, langleys, pierpont, refractor, samuel, science, scientific, spot, sun, sunspot, telescope, victorian