Thursday, 14 September 2017 - 22:11 UTC
Solar activity has plunged to very low levels with the disappearance of sunspot region 2673.
What a week it was. Sunspot region 2673 grew from a simple Alpha sunspot to one of the most complex sunspot regions of Solar Cycle 24 in just 48 hours. It managed to produce a mind blowing 27 M-class solar flares and 4 X-class solar flares, including the strongest and second strongest solar flare of Solar Cycle 24. To top it of, it even caused a severe G4 geomagnetic storm at Earth.
A sunspot region to remember for sure. We look back at this hectic week in our latest YouTube video where we look at the development of sunspot region 2673, the X-class solar flares and the M5.5 solar flare that launched a coronal mass ejection towards our planet. The video is full with never before seen footage so be sure to check it out!
Give the video a like and a share. If you have energy left than even a comment is very much welcome! Your engagement is very much appreciated. It took us a little while to make this video! Enjoy!
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|Predicted Kp max||4|
|M-class solar flare||1%|
|X-class solar flare||1%|
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|Last geomagnetic storm:||2017/12/05||Kp5 (G1)|
|Number of spotless days in 2017:||94|
|Last spotless day:||2017/12/09|