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Farside active region shoots bright CME toward Venus

farside-active-region-shoots-bright-cme-toward-venus

An active region in the Sun’s far-southern hemisphere erupted on March 23, 2013 around 13:00 UTC hurling bright Coronal Mass Ejection (CME) toward the Venus. A glancing impact is expected on March 25th. Venus has no global magnetic field to protect it from CME’s so the impact will likely strip a small amount of atmosphere from the planet’s cloudtops.

farsidecme_anim - march 23, 2013 Bright object visible at the right bottom corner of SOHO C2 imagery shows planet Venus. SOHO’s C2 images show the inner solar corona up to 8.4 million kilometers (5.25 million miles) away from the Sun.

 

While Earth side of the Sun shows few weak regions an low activity, farside regions are hurling more CME’s toward Venus… the image below by STEREO Ahead EUVI 195 shows at least 7 active regions currently in transit.

mar22_2013_farside of the sun- sunspots Image courtesy of SolarHam

 

Sunspots

There are currently 5 numbered regions on disk. As of March 24, 2013 at 00:30 UTC they are: Region 1695, classified with Alpha magnetic configuration, and Regions 1701 and 1704 with the same magnetic configuration. Regions 1702 and 1703 are classified with Beta magnetic configuration.

Sunspots March 24, 2013

NOAA SWPC forecasters estimated 5% chance for M-class and 1% chance for X-class solar flare on March 24 and 25th. A drop to 1% chance for both classes is expected on March 26th. The geomagnetic field is expected to be at quiet levels for the next three days.

Featured image: NASA – SOHO C2

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