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X8.7 solar flare

What a way to sign off! Sunspot region 3664 (R3-strong) is now on the west limb and waves goodbye by producing the largest solar flare of Solar Cycle 25 which peaked at X8.7! Wow! There isn't any coronagraph imagery available from SOHO yet, but we do know the solar flare was eruptive but based on coronagraph imagery from STEREO A, the resulting coronal mass ejection is likely not aimed at Earth.

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Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future

Nuuk
The solar wind speed is currently moderately high (651.8 km/sec.)

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Friday, 28 February 2025
18:00 UTC - Geomagnetic activity

Minor G1 geomagnetic storm (Kp5) Threshold Reached: 17:57 UTC

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Last X-flare2025/02/23X2.0
Last M-flare2025/02/25M3.6
Last geomagnetic storm2025/02/27Kp6- (G2)
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Last spotless day2022/06/08
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January 2025137 -17.5
Last 30 days154.8 +10.3

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