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The JOP proposes the simultaneous solar spectral line measurements in the chromosphere (SUMER), the transition region (SUMER,CDS) and in the corona (CDS). The aim is to trace the VARIABILITY and DYNAMICS of the solar quiet atmosphere in both THE SUPERGRANULAR NETWORK and INTERNETWORK focusing on the particular phenomena. The inevitable relevant MDI and TRACE photospheric information and UV imaging of TRACE (or alternatively EIT) are requested to be acquired at the same time with the highest possible spatial and temporal resolution.

Luis Sanchez Duarte
Thu Apr 22 10:19:16 EDT 1999