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| Korean star charts | |
|---|---|
| Name | Korean star charts |
| Country | Korea |
| Period | Various |
| Notable | Cheonsang Yeolcha Bunyajido, Chiljeongsan, Honcheonsigye |
Korean star charts describe a succession of mapped representations of the night sky produced on the Korean Peninsula from antiquity through the early modern period. They reflect syncretic development from indigenous Korean celestial observation, intensive transmission from Tang dynasty and Song dynasty China, independent innovations under the Goryeo dynasty and Joseon dynasty, and later interaction with Jesuit missions and Dutch Republic‑linked astronomy. Surviving charts and associated instruments illuminate links between Korean court science, scholarly bureaus, maritime navigation, and calendrical reform.
Korean celestial cartography emerges in the historiography alongside references to ritual calendrical offices such as the Silla and Goryeo court observatories and the Joseon dynasty's Bureau of Astronomy (Gukjo). Early Korean observers adapted star lore from Tang dynasty astronomers, while producing indigenous compilations during the reign of rulers like King Taejo of Goryeo and King Sejong. The 14th‑century Cheonsang Yeolcha Bunyajido engraving and later 17th‑century manuscripts reflect exchanges with Ming dynasty and Qing dynasty astronomy, and the 17th century saw new inputs via envoys to the Tokugawa shogunate and contacts with Jesuit China intermediaries. By the 18th and 19th centuries, Korean charts incorporated data from instruments influenced by Tycho Brahe, Johannes Hevelius, and Dutch navigators affiliated with the Dutch East India Company.
Traditional Korean celestial mapping employed constellational schemes derived from Chinese uranography, including the Twenty‑Eight Mansions (宿) and Three Enclosures (三垣), mediated through texts like the Shiji and Book of Han commentaries circulating in Goryeo and Joseon scholarly circles. Court astronomers referenced systems codified by figures such as Shi Shen and Gan De as received via Tang dynasty treatises and Song dynasty reformers like Shen Kuo and Su Song. Korean adaptations show particular attention to star lists associated with Korean ritual calendars promulgated by state institutions tied to rulers such as King Sejong the Great and officials in the Hall of Worthies (Jiphyeonjeon).
Major artifacts include the engraved stone Cheonsang Yeolcha Bunyajido commissioned under King Taejo of Joseon and executed with contributions from court astronomers tied to the Joseon court, the Chiljeongsan (Seven Stars Calculation) charts used in calendrical tables compiled by the Royal Secretariat, and manuscript planispheres held in collections associated with scholars like Kim Jeong‑hoi and Jang Yeong‑sil. Other extant items include armillary diagrams preserved in the National Museum of Korea and celestial atlases influenced by exchanges with Korean envoys to China and emissaries who met representatives of Manchu and Ming courts. The Honcheonsigye astronomical clock, linked to Jang Yeong‑sil innovations, accompanied star diagrams in courtly apparatus.
Korean star chart production combined observational logs maintained by court bureaus, mathematical projection methods rooted in Chinese spherical geometry, and instruments such as the armillary sphere (浑仪) adapted in Korean workshops associated with craftsmen employed under royal patronage. Instruments included observational circles, gnomons used in palace complexes like Gyeongbokgung for solar observations, and mechanical clocks reflecting technologies referenced by Johann Adam Schall von Bell and other Jesuit missionaries in the region. Measurement techniques drew on lunar and solar theories transmitted from Song dynasty manuals and augmented by empirical corrections derived from sustained observations by officials within the Joseon dynasty's Office of Astronomy.
Star charts functioned as instruments of state ritual, calendrical regulation, and navigation. In court settings connected to the Jongmyo rites and seasonal ceremonies promoted by monarchs such as King Sejong, charts guided timing for agricultural almanacs and legitimized sovereign authority. Mariners employed coastal pilotage techniques informed by star positions during voyages between Korean ports like Busan and island routes toward Tsushima and Ryukyu Kingdom waypoints, integrating local pilot charts maintained by merchant guilds and official naval bureaus. Scholarly circles, including members of the Silhak movement, studied atlases in relation to land surveys overseen by officials linked to provincial administrations.
Korean star charts reveal a multilayered network of exchange: primary frameworks trace to Han dynasty and Tang dynasty astronomy mediated through Ming dynasty texts, while institutional reforms in Joseon echoed debates contemporaneous with Tokugawa Japan astronomical projects such as the work of Shibukawa Shunkai and Inō Tadataka. From the 17th century, contact with Jesuit China scholars like Ferdinand Verbiest and with Dutch seafarers associated with the Vereenigde Oostindische Compagnie introduced new instruments, longitudinal techniques, and star catalogs compiled in Europe by astronomers such as Tycho Brahe and Johannes Hevelius, which were selectively incorporated into Korean mapmaking. Cross‑border scholarly correspondence and diplomatic missions to Beijing, exchanges with Edo, and interactions with missionaries feeding into Korean networks fostered revisions in star positions, projection methods, and the production of printed atlases that bridged East Asian and European observational traditions.
Category:Astronomy in Korea