Adventures of two astronomers from Geneva on the way to Lapland to observe the transit of Venus across the Sun in 1769

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1. Adventures of two astronomers from Geneva on the way to Lapland to observe the transit of Venus across the Sun in 1769

M. Dimitri Bayuk (Observatoire de Paris)

Two astronomers from Geneva, Jacques-André Mallet and Jean-Louis Pictet, set out for Russia on 4 April 1768, and by March 1769 arrived at their observational sites in the Russian part of Lapland (Kola Peninsula) to observe the transit of Venus across the Sun on 3 June. They returned to Geneva on 29 October. Both left detailed diaries of their adventures during this mission. The diaries were...