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Sunspots sketches during the solar eclipses of 9th January and 29th December of 1777 in Mexico

AuthorsDomínguez-Castro, Fernando; Gallego, María Cruz; Vaquero, José Manuel
KeywordsHistorical records
Solar activity
Solar cycle
Issue Date9-Jun-2017
PublisherEDP Sciences
CitationJournal of Space Weather Space Climate 7: A15 (2017)
AbstractTwo sunspot observations recorded by the Mexican Felipe de Zuniga y Ontiveros have been revealed from a manuscript. One sunspot group was recorded on 9th January 1777 and four sunspot groups on 29th December 1777. Both records were taken during the observation of solar eclipses from Mexico City and their description also included sketches of the solar disk with sunspots. The sunspot group corresponding to 9th January was also observed by Erasmus Lievog. The observation on 29th December 1777 is the only record corresponding to this date.
Description6 páginas.- Ilustraciones.- This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Publisher version (URL)http://dx.doi.org/10.1051/swsc/2017012
Appears in Collections:(IPE) Artículos
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