MALHERBE , J.-M.

Journées SF2A 2007, Scientific highlights 2007, eds. J. Bouvier, A. Chalabaev and C. Charbonnel, SF2A n/a, p. 601 (2007)

Astron. and Astroph., 463, pp. 727-736 (2007)

High cadence observations of solar activity (active regions, flares, filaments) in the Hα line were performed at Meudon and Haute Provence Observatories from 1956 to 2004. More than 7 million images were recorded, mainly on 35 mm films. After a review of the scientific interest of solar surveys at high temporal ...