Huge Filament Observed in October 2001 Mass estimates and wave propagation for the eruptive event of 8th of January 2002 Velocity Determinations for Magnetoacoustic Shock Waves from SOHO/EIT Images 3D reconstruction of solar magnetoacoustic waves Micro-CMEs from Active Solar Regions A Particular Filament in the Active Region 05, AxX Soarele, steaua de langa noi