History of Active Region 13998    

Description of the Active Region and a summary of flaring activity:

DATE TYP AREA NSPOT ZMCINT MCLASS C M X TOTAL SMON
2025-02-15           1 0 0 1  
2025-02-16           4 0 0 4  
2025-02-17 A 90 4 Cao β 13 0 0 13 Link
2025-02-18 A 150 16 Dai βδ 3 0 0 3 Link
2025-02-19 A 170 19 Dai βδ 1 0 0 1 Link
2025-02-20 A 200 12 Dai βδ 2 0 0 2 Link
2025-02-21 A 220 18 Dai βγ 3 0 0 3 Link

The contents of the table and page are described here.

Follow the Link in the right hand column to examine SolarMonitor data for that date. Jump to the magnetic field data using this [Pop-up]; change wavelength using the icons at the bottom.

Searches of the HELIO Heliohysics Event Catalogue (HEC) related to the Active Region:

Plot of History

  
  Step to adjacent Active Region No.:     13997 <=   13998   => 13999          [Top Page]       []

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