File:Comet Brorsen-Metcalf by E.E. Barnard on 6 October 1919.jpg

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English: Comet Brorsen-Metcalf by E.E. Barnard on 6 October 1919, 16h14m CST. Exposure 57 minutes. Made with the 10-inch lens of the Bruce telescope of Yerkes Observatory.
Date
Source https://adsabs.harvard.edu/pdf/1920ApJ....51..102B
Author Edward Emerson Barnard

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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.


This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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current19:41, 24 January 2023Thumbnail for version as of 19:41, 24 January 2023835 × 580 (105 KB)C messier (talk | contribs)Uploaded a work by Edward Emerson Barnard from https://adsabs.harvard.edu/pdf/1920ApJ....51..102B with UploadWizard

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