File:Oslo-prominences.png
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Summary
| Description |
English: Chalk drawings of solar prominences by Professor C. F. Fearnley, University of Christiania (Oslo).
These spectrohelioscopic observations in H-alpha were made during 1872-73 at the old University Observatory. |
| Date | between 1872 and 1873 |
| Source | Scanned from photographic print by uploader. Photo obtained from University of Oslo in 1978. |
| Author | Carl Frederik Fearnley (1818-1890) |
Licensing
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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.  You must also include a United States public domain tag to indicate why this work is in the public domain in the United States.
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| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:54, 17 December 2012 | | 698 × 814 (1.06 MB) | Pimvantend | User created page with UploadWizard |
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