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FARSIDE HOTSPOT: As big sunspot AR1678 departs, another active region is approaching.
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FARSIDE HOTSPOT: 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:
In the projection, longitudes between +90 and -90 degrees are on the Earthside of the sun; other longitudes are on the farside. The image shows that the farside active region is poised to rotate from farside to Earthside within the next couple of days. Perhaps it will bring some flares with it. Stay tuned! Solar flare alerts: text, voice.
You can monitor the farside of the sun using your smartphone. NASA's 3D Sun app is available for both Apple and Android.
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link to www.spaceweather.com
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