EIT Observations of the Extreme Ultraviolet Sun

by D. Moses, F. Clette , J.-P. Delaboudinière, G. E. Artzner, J. Brunaud, C. Carabetian, A. H. Gabriel, J. F. Hochedez, F. Millier, X. Y. Song, B. Au, K. P. Dere, R. A. Howard, R. Kreplin, D. J. Michels, J. M. Defise, C. Jamar, P. Rochus, J. P. Chauvineau, J. P. Marioge, R. C. Catura, J. R. Lemen, L. Shing, R. A. Stern, J. B. Gurman, W. M. Neupert, J. Newmark, B. Thompson, A. Maucherat, F. Portier-Fozzani, D. Berghmans, P. Cugnon, E. L. Van Dessel, and J. R. Gabryl

Fig. 1d: . EIT image of the Sun in the 304 Å channel, 1997 January 31. The 62 s exposure began at 02:06 UT. The principal spectral lines in this bandpass are He II 303.7 Å and Si XI 303.3 Å.