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Published online by Cambridge University Press: 03 August 2017
The installation of the “Carte du Ciel” instrument was of great transcendency for the history of the Instituto y Observatorio de Marina. After briefly outlining the main difficulties for the development of the Observatory by that time, the personality of Captain Pujazón, responsible of the improvement of his institute and organizer of the work of the astrograph at San Fernando, is commented. We describe the spanish participation in the “Carte du Ciel” campaign and the subsequent use of the instrument in different international programs until the present days. The profitableness of the astrograph in continuing to support some aspects of the modern astrometrical research, is concluded.