FARSIDE HOTSPOT: The image also shows the magnetic canopy of a sunspot group approaching just beyond the sun's northeastern limb. The active region should emerge in the next 24 to 48 hours.
As big sunspot AR1678 departs, another active region is approaching. NASA's STEREO-B probe, stationed over the farside of the sun, is monitoring a significant ultraviolet hotspot. It is circled in this 360-degree Stoneyhurst projection of the entire solar surface: