Thursday, March 8, 2012

Coronal Mass Ejection to hit Tonight (March 8), Possibility of Mid latitude Aurora

The coronal mass ejection (CME) blasted toward Earth by yesterday's X5-class solar flare is expected to reach our planet on March 8th at 06:25 UT (+/-7 hours). For Australians, that's anywhere between 10:25 am AEDST to 00:25 am on the morning of the 9th (AEDST). Those are pretty broad limits. The IPS has not yet issues an aurora alert, and the Kp index is currently 1, so the storm hasn't reached us yet.

There is a good possibility of mid latitude auroras, in the past they have even reached northern New South Wales. But as always, there is equally the possibility that the event will be a squib from the Southern Hemisphere. The Full Moon's light will not help either.

Look to the South, and as always, dark sky sites away from the suburbs will have the best views, should aurora come to pass.

The CME track

The flare as seen through HelioViewer hat tip to CometAl for the heads up.


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