Viewing archive of Wednesday, 25 September 2019

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Coronal hole faces Earth, G1 watch

A familiar coronal hole is facing our planet today. You might remember this transequatorial coronal hole because it faced our planet at the end of August and caused moderate G2 geomagnetic storm conditions on 31 August and minor G1 geomagnetic storm conditions on 1 and 2 September.

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Sunday, 7 December 2025

M8.1 solar flare with earth-directed CME

Monday, 1 December 2025

X1.9 solar flare, Coronal hole faces Earth

Friday, 14 November 2025

X4.0 solar flare

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AR4299 M8.1 CME 2025/12/06 308 Growth of Cycle 25 976 Ask a powergrid operator anything 45 Light pillar 11 AR4294 / 4296 / 4298 441

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