The SOHO EIT is able
to image the solar transition region and inner corona in four, selected
bandpasses in the extreme ultraviolet (EUV):
Using either full-disk or subfield images, the EIT can image active regions,
filaments and prominences, coronal holes, coronal "bright points," polar
plumes, and a variety of other solar features. The instrument was designed to
be used in conjunction with other SOHO
instruments, particularly the LASCO visible-light coronagraphs and the
SUMER and CDS imaging spectrographs, as well as with ground-based instruments.
- Fe IX/X, 171 Å
- Fe XII, 195 Å
- Fe XV, 284 Å
- He II, 304 Å
The EIT is a normal-incidence, multilayer telescope of novel design.
More information on the EIT can be obtained from : http://umbra.nascom.nasa.gov/eit/
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