File:Ecl0038 - Observatório Nacional.png
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| Description |
Português: Placa de vidro de 18cm x 24cm contendo imagem positiva da coroa solar obtida pela luneta de Mailhat, com tempo de exposição supostamente de dois segundos, onde se destaca a grande protuberância. As marcações na parte inferior da fotografia foram feitas antes do eclipse, com diferentes tempos de exposição e o auxílio de uma lâmpada, para fins de fotometria. Nota-se acentuada perda de emulsão nas bordas e em diversos pontos da fotografia (Biblioteca do Observatório Nacional, placa Ecl0038) |
| Date | |
| Source | scielo.br |
| Author | Observatório Nacional |
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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. |
| This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights. | |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 21:09, 11 April 2023 | | 4,440 × 5,985 (805 KB) | Erick Soares3 (talk | contribs) | Uploaded a work by Observatório Nacional from [https://www.scielo.br/j/hcsm/a/3cQFXzYr5Fs8V7yKMVtzgQc/#ModalFigf04 scielo.br] with UploadWizard |
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