Solar
Activity

  Active Region Reports:  2021/09/26
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 12871
Active Region 12871

Active Region 12872
Active Region 12872

Active Region 12873
Active Region 12873

Active Region 12874
Active Region 12874

Active Region 12875
Active Region 12875

Active Region 12876
Active Region 12876
 
 

  Active Regions due to return    (next 2 days)

Active Region 12866
Active Region 12866

Active Region 12868
Active Region 12868
 
 
 

 
   Click on an Active Region plot to display the Region Report including the region evolution and flaring history.
   Link to the USAF/NOAA Solar Region Summary (SRS) file for today.
   HEC Search for NOAA Active Regions for today and yesterday    (from noaa_active_region_summary)
   Link to the plot showing the locations of Flares and Active Regions.
   AR Synoptic Plot [Pop-up] (STEREO and Earth views) showing Active Regions that could be returning.
 
   View the Report for a Recent Active Region   
 



Created and maintained by UCL–MSSL