A very long duration C6.4 event was detected around Active Region 11402. A Full-Halo Coronal Mass Ejection (CME) was produced shortly after. This CME will hit Venus during the late hours of Jan. 18th. This CME might deliver a glancing blow to Earth’s magnetic field around 1200 UT on Jan. 19th. The impact could cause geomagnetic activity and auroras around the Arctic Circle.
Earth is entering a moderately-fast (540 km/s) solar wind stream that could spark geomagnetic disturbances around the Arctic Circle. High-latitude sky watchers should be alert for auroras tonight.
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