File:Comet Brorsen-Metcalf by E.E. Barnard on 20 October 1919.jpg
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editDescriptionComet Brorsen-Metcalf by E.E. Barnard on 20 October 1919.jpg |
English: Comet Brorsen-Metcalf by E.E. Barnard on 20 October 1919, 16h50m CST. Exposure 33 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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editPublic domainPublic domainfalsefalse |
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. | |
This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. |
https://creativecommons.org/publicdomain/mark/1.0/PDMCreative Commons Public Domain Mark 1.0falsefalse
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current | 19:41, 24 January 2023 | 822 × 652 (123 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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