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Johan Maurits Mohr (ca. 18 August 1716, Eppingen – 25 October 1775, Batavia) was a Dutch-German pastor who studied at Groningen University from 1733 and settled in Batavia (Dutch East Indies) in 1737. Mohr's greatest passion was in astronomy but he was also keenly interested in meteorology and in vulcanology.

In 1765 Mohr built a large private observatory in Batavia that was equipped with the best astronomical instruments of his time.[1] His observatory, which had cost him a small fortune, was visited and praised by Louis Antoine de Bougainville and James Cook.

Mohr observed the Venus transits of 6 June 1761 and 3 June 1769 and the Mercury transit of 10 November 1769. He also made meteorological observations and measurements of the magnetic declination at Batavia.

After Mohr's death, his observatory was damaged by an earthquake in 1780, fell into ruin and was demolished in 1812.[1]

The minor planet 5494 Johanmohr is named in his honour.

References

• H.J. Zuidervaart & R.H. van Gent, " "A Bare Outpost of Learned European Culture on the Edge of the Jungles of Java": Johan Maurits Mohr (1716-1775) and the Emergence of Instrumental and Institutional Science in Dutch Colonial Indonesia", Isis: An International Review devoted to the History of Science and its Cultural Influences, 95 (2004), 1-33.

See also

• List of colonial buildings and structures in Jakarta

На других языках

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[de] Johan Maurits Mohr

Johan Maurits Mohr (* ca. 18. August 1716 in Eppingen; † 25. Oktober 1775 in Jakarta) war ein deutsch-niederländischer Geistlicher und Astronom in Batavia.

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- [en] Johan Maurits Mohr

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[es] Johan Maurits Mohr

Johan Maurits Mohr (Eppingen, Alemania, c. 18 de agosto de 1716 – Batavia, Indias Orientales Neerlandesas, 25 de octubre de 1775) fue un pastor holando-alemán que trabajó en los campos de la astronomía, la meteorología y la vulcanología.

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[fr] Johan Maurits Mohr

Johan Maurits Mohr est un missionnaire et un astronome hollandais, né en août 1716 et mort le 27 octobre 1775[1].

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[it] Johan Maurits Mohr

Johan Maurits Mohr (Eppingen, circa 18 agosto 1716 – Giacarta, 25 ottobre 1775) è stato un pastore protestante e astronomo tedesco naturalizzato olandese.

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