Magnetic fields above sunspot complex 1236 erupted during the early hours of June 21st, producing a C7-class solar flare and a full-halo CME. The expanding cloud appears to be heading almost directly toward Earth:
This does not appear to be an especially powerful CME. Nevertheless, the incoming cloud could trigger polar geomagnetic storms when it reaches Earth on or about June 23rd. The aurora outlook favors southern hemisphere observers, where solstice skies are winter-dark. Stay tuned for Geomagnetic storm alerts (SpaceWeather)
speed: 420.3 km/sec
density: 6.9 protons/cm3
Now: Kp= 2 quiet
24-hr max: Kp= 3 quiet
Interplanetary Mag. Field
Btotal: 6.1 nT
Bz: 2.4 nT north
At 03:25 UTC Tuesday morning a long duration C7.7 Solar Flare peaked and was centered around Sunspot 1236. A minor full-halo Coronal Mass Ejection (CME) is seen in the new Lasco movie but does not appear to have a large earth directed component. More information later today after the NOAA update. Click HERE to download the Lasco C2 movie of the CME.
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