Swedish Institute of Space Physics in Lund |
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Lund Space Weather Center |

Holographic images reveal sunspots on the far side of the Sun (SOI/Stanford).
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The latest sunspot number(NOAA). The latest active region summary (NOAA).
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![]() Visit SEC/NOAA to observe the latest X-ray and proton flux. |
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A geomagnetic storm is represented by red bars for Kp>4.5.
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