International audienceSolar eclipses play an important role 1n the history of astronomy because their observation allowed astrophysics to expand. The eclipse of August 30th, 1905 is particularly interesting since the line of totality passes through Spain and Algeria, and that it will last 3 minutes and 45 seconds. Consequently, all the French observatories send astronomers to observe it. About a hundred amateur astronomers of the French Astronomical Society also go to various sites, as well as quite a few individuals who are simply curious, like Camille Saint-Saëns. Count Aymar de la Baume Pluvinel and his two young assistants settle in at Alcala de Chisvert, between Tarragona and Valencia.Les éclipses de Soleil jouent un rôle important dan...