Article ID: CBB813189249

Exploring the first scientific observations of lunar eclipses made in Siam (2016)

unapi

The first great ruler to encourage the adoption of Western culture and technology throughout Siam (present-day Thailand) was King Narai, who also had a passion for astronomy. He showed this by encouraging French and other Jesuit missionaries, some with astronomical interests and training, to settle in Siam from the early 1660s. One of these was Father Antoine Thomas, and he was the first European known to have carried out scientific astronomical observations from Siam when he determined the latitude of Ayutthaya in 1681 and the following year observed the total lunar eclipse of 22 February. A later lunar eclipse also has an important place in the history of Thai astronomy. In 1685 a delegation of French missionary-astronomers settled in Ayutthaya, and on 10-11 December 1685 they joined King Narai and his court astrologers and observed a lunar eclipse from the King's 'country retreat' near Lop Buri. This event so impressed the King that he approved the erection of a large modern well-equipped astronomical observatory at Lop Buri. Construction of Wat San Paulo Observatory - as it was known - began in 1686 and was completed in 1687. In this paper we examine these two lunar eclipses and their association with the development of scientific astronomy in Siam.

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Authors & Contributors
Orchiston, Darunee Lingling
Orchiston, Wayne
Soonthornthum, Boonrucksar
George, Martin
Launay, Françoise
Husson, Matthieu
Journals
Journal of Astronomical History and Heritage
Journal for the History of Astronomy
Archive for History of Exact Sciences
Ziran Kexueshi Yanjiu (Studies in the History of Natural Sciences)
Sudhoffs Archiv: Zeitschrift fuer Wissenschaftsgeschichte
Journal of the Siam Society
Publishers
Pegasus Books
Concepts
Astronomy
Lunar eclipses
Eclipses; transits; occultations; conjunctions
Solar eclipse
Cross-cultural interaction; cultural influence
Moon
People
Thomas, Antoine
Ptolemy
Verbiest, Ferdinand
Shibukawa, Shunkai
Liu Hong
Kangxi, Emperor of China
Time Periods
17th century
Ancient
Ayutthaya Kingdom (1351–1767)
Jin Dynasty (China, 265-420)
Edo period (Japan, 1603-1868)
Qing dynasty (China, 1644-1912)
Places
China
Thailand
Europe
Mesopotamia
Saxony
Macau (China)
Institutions
Jesuits (Society of Jesus)
National Astronomical Research Institute of Thailand (NARIT)
Maragheh observatory
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