The above image was taken October 5th at 03:21:04 UTC by the Atmospheric Imaging Assembly (AIA), at 1700 Angstroms, aboard the Solar Dynamics Observatory (SDO). The major sunspot groups visible in this image include Active Region 1585 (left), 1582 (right of center) and 1579 (right). Image Credit: SDO/AIA
For the end of October 3rd and most of October 4th, the solar activity was very low. The forecast through October 7th: The solar activity is expected to be very low with a chance for C-class flares.
Here at home, the geomagnetic field was quiet. The forecast through October 7th: The geomagnetic field is expected to be mostly quiet. Stay tuned...
To monitor solar flare activity minute by minute, visit the "Today's Space Weather" page of NOAA's Space Weather Prediction Center (www.swpc.noaa.gov/today.html).
To learn more about the sun and to stay current on solar activity, visit the mission home pages of the Solar Dynamics Observatory (SDO) (sdo.gsfc.nasa.gov), the Solar and Heliospheric Observatory (SOHO) (sohowww.nascom.nasa.gov), the Advanced Composition Explorer (ACE) (www.srl.caltech.edu/ACE), and the Solar Terrestrial Relations Observatory (STEREO) (stereo.gsfc.nasa.gov).