Important notice about STEREO Behind
Fulldisk 3D Active Regions - March 26, 2007
This image from March 26, 2007 also shows two active regions (brighter areas) and a coronal hole (darker area right of center). The 3D image was created from two spacecraft by combining images in three extreme ultraviolet wavelengths: 304, 171 and 195 angstroms from each. A coronal hole (darker area) is right of center.
Last Revised: March 19, 2018 15:00:39 UTC
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