Solar
Activity

  Active Region Reports:  2023/09/05
Pages summarizing each currently visible solar active region with plots of the evolution of the region area and the occurrence of flares.
  Active Regions on the disk

Active Region 13416
Active Region 13416

Active Region 13417
Active Region 13417

Active Region 13418
Active Region 13418

Active Region 13419
Active Region 13419

Active Region 13420
Active Region 13420

Active Region 13421
Active Region 13421

Active Region 13422
Active Region 13422

Active Region 13423
Active Region 13423
 
 
 
 

  Active Regions due to return    (next 2 days)

Active Region 13404
Active Region 13404

Active Region 13407
Active Region 13407
 
 
 

 
   Click on an Active Region plot to display the Region Report including the region evolution and flaring history.
   Link to today's USAF/NOAA Solar Region Summary (SRS) file — this determines which regions are included on this page.

 

   View a Summary Table of Active Regions that have recently disappeared from the disk.   

 
   View the Report for a Recent Active Region   
 



Created and maintained by UCL–MSSL