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X9.3 earth-directed coronal mass ejection

The wait is over. We finally have a complete set of SOHO/LASCO coronagraph images from today's memorable X9.3 solar flare. If you missed today's space weather events be sure to read this news article before you continue reading here.

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Major X9.33 solar flare

What a day! The strongest solar flare of solar cycle 24 erupted today at 12:02 UTC and of course it was sunspot region 2673 that took center stage. It was a memorable X9.33 solar flare (R3-strong radio blackout) which was highly eruptive as well. We have to go all the way back to 5 May 2015 to find the last time we had an X-class solar flare and it has been 12 years ago since we had a solar flare which was stronger than today's X9.3 event! Not bad considering we are already in the declining phase of solar cycle 24!

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Last X-flare2024/11/06X2.39
Last M-flare2024/11/27M1.0
Last geomagnetic storm2024/11/10Kp5+ (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2024166.4 +25
December 202498 -68.4
Last 30 days133.6 -27.6

This day in history*

Solar flares
12004M2.16
22022M1.29
32002M1.2
42001M1.01
52001C9.9
DstG
11993-117G2
21961-116G3
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51960-59
*since 1994

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