File:Comet Brorsen-Metcalf by E.E. Barnard on 22 October 1919.jpg
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[edit]DescriptionComet Brorsen-Metcalf by E.E. Barnard on 22 October 1919.jpg |
English: Comet Brorsen-Metcalf by E.E. Barnard on 22 October 1919, 16h51m CST. Exposure 24 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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[edit]Public domainPublic domainfalsefalse |
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.
Public domain works must be out of copyright in both the United States and in the source country of the work in order to be hosted on the Commons. If the work is not a U.S. work, the file must have an additional copyright tag indicating the copyright status in the source country.
Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:Comet_Brorsen-Metcalf_by_E.E._Barnard_on_22_October_1919.jpg |
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current | 19:41, 24 January 2023 | 828 × 641 (190 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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