Image Details
Caption: Figure 1.
DEB summed HDR image from site 1. HDR shown after filtering to reduce the radial intensity gradient and to emphasize fine structure. The solar disk position is marked with the cardinal position angle locations. Loops dominate the lowest parts of the corona and give way to more radial structures higher up. A dark downflow (TP) can be seen at about 2 solar radii just east of the north pole, a reduced coronal brightness is visible in the SE region compared to the western hemisphere, and the southern polar hole is very narrow. Some stars in the field of view are labeled, and the brightest stars show the effects of the spatial filtering on point sources.
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© 2026. The Author(s). Published by the American Astronomical Society.
