Jean-Baptiste Chappe d'Auteroche was an 18th-century French astronomer known for his work in observing celestial events. He is best remembered for his observations of the transit of Venus across the Sun in 1761, which he conducted from Siberia. His efforts contributed to the understanding of the solar system and helped refine measurements of the astronomical unit. In addition to his work on the transit of Venus, Chappe d'Auteroche was involved in various scientific expeditions and published several works on astronomy. His contributions were significant during a time when astronomy was rapidly advancing, and he played a role in promoting scientific knowledge in France and beyond.