Solar
Activity

  Active Region Reports:  2025/02/20
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 13989
Active Region 13989

Active Region 13990
Active Region 13990

Active Region 13991
Active Region 13991

Active Region 13993
Active Region 13993

Active Region 13994
Active Region 13994

Active Region 13996
Active Region 13996

Active Region 13997
Active Region 13997

Active Region 13998
Active Region 13998

Active Region 13999
Active Region 13999
 
 
 

  Active Regions due to return    (next 2 days)

Active Region 13974
Active Region 13974

Active Region 13976
Active Region 13976

Active Region 13977
Active Region 13977
 
 

 
   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