Sunspots sketches during the solar eclipses of 9th January and 29th December of 1777 in Mexico
Domínguez-Castro Fernando, Gallego María Cruz, Vaquero José Manuel
Journal of Space Weather and Space Climate · 2017
doi:10.1051/swsc/2017012 (opens in a new tab)
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Abstract
Two sunspot observations recorded by the Mexican Felipe de Zúñiga 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.
Abstract licence: CC BY
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