Active Region 1654 has traveled half across the Earth facing side of the Sun and now is squarely facing Earth. On January 13, this huge sunspot reached its maximum size measured as more than 193 000 km (120, 000 miles) wide long or 15 Earth diameters) from end to
Sunspot 1654 produced a long duration C8.0 solar flare at 17:46 UTC on January 10, 2013. Besides C8 event, solar activity remained at low levels. There are currently 9 numbered sunspots with 1652 and 1654 as the largest active regions. Region 1652 is classified as a
A sunspot located just behind the sun’s eastern limb erupted during the waning hours of May 9th, hurling a spectacular coronal mass ejection into space: movie. NASA’s Solar Dynamics Observatory photographed hot magnetic loops towering over the edge of the sun in the
