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| Keywords: Berkowski-Eclipse Königsberg 1851.jpg en Berkowski made the first solar eclipse photograph on July 28 1851 also using the daguerrotype process at the Royal Observatory in Königsberg Prussia now Kalinigrad in Russia Berkowski a local daguerrotypist whose first name was never published observed at the Royal Observatory A small 6-cm refracting telescope was attached to the 15 8-cm Fraunhofer heliometer and a 84-second exposure was taken shortly after the beginning of totality 1851-07-28 http //www museum-digital de/thue/index php t objekt oges 566 Berkowski other versions PD-old-70-1923 Uploaded with UploadWizard Solar eclipse of 1851 July 28 1851 events 1851-07-28 1851 in astronomy | ||||
