History of Active Region 12420    

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

DATE TYP AREA NSPOT ZMCINT MCLASS C M X TOTAL SMON
2015-09-20           1 1 0 3  
2015-09-21 A 270 12 Ekc βγ 4 0 0 6 Link
2015-09-22 A 290 16 Ekc βγ 0 0 0 2 Link
2015-09-23 A 280 13 Ekc βγ 0 0 0 1 Link
2015-09-24 A 200 13 Eai βγ 0 0 0 0 Link
2015-09-25 A 200 19 Eai βγ 0 0 0 0 Link
2015-09-26 A 150 17 Fai β 0 0 0 0 Link
2015-09-27 A 140 15 Fai βγ 0 0 0 0 Link
2015-09-28 A 110 11 Fai β 0 0 0 0 Link
2015-09-29 A 100 9 Eso β 0 0 0 0 Link
2015-09-30 A 50 12 Cso β 0 0 0 0 Link
2015-10-01 A 40 2 Cso β 0 0 0 0 Link
2015-10-02 A 20 3 Cro β 0 0 0 0 Link
2015-10-03 A 10 3 Bxo β 0 0 0 0 Link
2015-10-04 A 30 1 Hax α 0 0 0 0 Link

The contents of the table and page are described here.

Follow the link of the first Date with details to see the page showing the location of the active region overplotted with flares for this date; you can step through subsequent dates using the arrows at the top.

Follow the Link in the right hand column to examine SolarMonitor images for each date. Use this [Pop-up] to go directly to the magnetic field data; click on the icons at the bottom to change wavelength.

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

Plot of area

  Step to adjacent Active Region No.:      12419 <=   12420   => 12421

Created and maintained by UCL–MSSL Development supported by SolarNet logo Hinode logo