An Email from Spaceweather.com

SOLAR FLARE AND CME: Big sunspot AR2473 erupted on Dec. 28th, producing an M1.9-class solar flare, a minor radio blackout in the southern hemisphere, and a coronal mass ejection (CME) that appears to be heading directly for Earth.  This explosion sets the stage for possible geomagnetic storms later this week when the CME reaches our planet.  Visit Spaceweather.com for more information.