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Paper: Filaments Data Since 1919: A Basis for Statistics
Volume: 504, Coimbra Solar Physics Meeting: Ground-based Solar Observations in the Space Instrumentation Era
Page: 231
Authors: Aboudarham, J.; Renié, C.
Abstract: From 1919 to 2002, Paris-Meudon Observatory published synoptic maps of the Solar activity. Together with maps, tables were provided, containing some information concerning at least filaments. The board of Paris Observatory funded a data capture program concerning the 680 000 basic informations available in those tables. On the other hand, in the frame of the FP7 European project HELIO, a Heliophysics Feature Catalogue (HFC) has been developed, which contains also filaments data from 1996 up to now. We now pool all these data in order to give access to a filaments database for nearly a century of observations. This allows to make statistical studies of those Solar features, and try to correlate them with other information such as sunspot number. We present here the data available for this long period of time.
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