A coronal mass ejection (CME) hit Earth on Oct. 24th at approximately 1800 UT (2:00 pm EDT). The impact strongly compressed Earth's magnetic field, directly exposing geosynchronous satellites to solar wind plasma, and sparked an intense geomagnetic storm. As night fell over North America, auroras spilled across the Canadian border into the contiguous United States
Here is one picture from Adrian, Michigan:
[caption id="attachment_2411" align="alignnone" width="300" caption="Adrian, MI"][/caption]
You must check out additional photos that have been compliled from www.spaceweather.com:
CLICK HERE for the full gallery!