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Large-scale activity in solar eruptive events of October November 2003 observed from SOHO/EIT data

Grechnev, V. V.; Chertok, I. M.

Large-scale solar disturbances associated with powerful flares and coronal mass ejections (CMEs) during two passages of a grand system of three active regions in October November 2003 are analyzed using data obtained with the SOHO/EIT EUV telescope. Dimmings (transient coronal holes) and, to a lesser extent, coronal waves (traveling emitting front…