Sujet

Photograph of Gustav Spörer

Légende

Photograph of Gustav Spörer (1822-1895) a German astronomer. Dated 19th Century

Date

19th century

Crédit

Photo12/Ann Ronan Picture Library

Notre référence

ARP23A12_373

Licence

Rights managed

Format disponible

180,0Mb (5,9Mb) / 21,9in x 32,0in / 6561 x 9589 (300dpi)

Mots clés

19th Century Early Photograph Early Photography Photograph Photography Gustav Spörer Friederich Wilhelm Gustav Spörer German Germany Astronomer Astronomy Sunspots Sunspot Cycles 19th Century