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

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

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...

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Bibliographic Details
Published in:Journal of space weather and space climate Vol. 7; p. A15
Main Authors: Domínguez-Castro, Fernando, Gallego, María Cruz, Vaquero, José Manuel
Format: Journal Article
Language:English
Published: les Ulis EDP Sciences 2017
Subjects:
18th century
Historical records
Sketches
Solar activity
Solar cycle
Solar eclipses
Sun
Sunspot
Sunspot groups
Sunspots
Mexico
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Summary: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.
ISSN:2115-7251
2115-7251
DOI:10.1051/swsc/2017012