The Sun observed by SUMER on 2 February 1996 in the emission line of C III lines at 977.020 , formed in the transition region at a temperature of about 70 000 K. The image is shown in bins of 4x4 pixels, one pixel being approx. 1 arcsec. The patchy pattern is the chromospheric network, with individual cells being of the size of about 30 000 km. Also note some prominences over the limb. This image was the first full Sun scan of SUMER.

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