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M1.5 & M7.3 solar flares from sunspot region 2173

Sunspot region 2173 decayed rapidly the past few days and only a couple of sunspots remain as it approaches the west limb. This however didn't stop it from producing two M-class solar flares in rapid succesion: M1.5 (NOAA R1-minor) at 17:44 UTC and M7.3 (NOAA R2-moderate) at 19:01 UTC.

Quiet conditions ahead, heart-shaped coronal hole

There isn't very much going on right now on the Sun and geomagnetic conditions are also calming down as coronal hole effects wane. What can we expect more in the coming days? Image: aurora borealis as captured yesterday by Jani Ylinampa Photography just north of Rovaniemi in Finnish lapland.

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domenica, 1 febbraio PM

Complex sunspot region 4366

lunedì, 19 gennaio PM

CME impact! S4 solar radiation storm

domenica, 18 gennaio PM

X1.9 solar flare with earth-directed CME

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Unspecified geomagnetic activity 91 AR4387 5 Available resources & tools / space weather databases 7 Sunspot Latitudes at or near Solar Maximum 114 Incoming & Unnumbered Active Regions 222

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