Solar Demon Dimming Detection (qlk)

Quick-look! running in real time on SDO/AIA 211 QLK data
3 minute cadence, typical delay 15 minutes
(detection version 1.00)
(view all Solar Demon detection tools)

Overview of dimming 15217
Detector 24h operating status:

Last processed image:    
   0 hours and 23 minutes ago (2026-03-16 22:27 UTC)
Last detected dimming:
   6 hours and 49 minutes ago (2026-03-16 16:00 UTC)


Overview for dimming #:
   15217           back to overview

Animations and graphs
   derotated original images ( non-derotated )
   dimming intensity ( overlaid on HMI )
   dimming mask

   base difference ( percentage )
   running difference ( percentage )

more

more

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Details for dimming #: 15217          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-03-09 10:42:1110.00.00.00.00 , 0.003693672
2026-03-09 10:45:1120.00.00.00.00 , 0.003693673
2026-03-09 10:48:1130.00.00.00.00 , 0.003693674
2026-03-09 10:51:1140.00.00.00.00 , 0.003693680
2026-03-09 10:54:115-5.5-10.5-8.80.0612-0.99, 0.531.121.723693681
2026-03-09 10:57:116-7.3-11.6-8.20.0799-0.99, 0.531.124.133693682
2026-03-09 11:00:117-20.1-53.6-11.10.0921-0.93, 0.511.064.413693683
2026-03-09 11:03:118-39.2-98.0-12.80.11258-0.93, 0.491.055.363693685
2026-03-09 11:06:119-33.0-47.1-12.13.71601-0.94, 0.491.068.323693686
2026-03-09 11:09:1110-44.1-67.6-12.47.12094-0.92, 0.491.042.453693692
2026-03-09 11:12:1111-36.8-39.8-12.44.12021-0.94, 0.511.070.003693693
2026-03-09 11:15:1112-29.2-34.9-12.40.31883-0.97, 0.521.100.003693694
2026-03-09 11:18:1113-28.1-30.8-12.20.01916-0.98, 0.521.110.003693695
2026-03-09 11:21:1114-29.0-28.7-11.70.02069-0.98, 0.521.110.003693696
2026-03-09 11:24:1115-29.6-27.6-11.50.02180-0.98, 0.521.110.003693701
2026-03-09 11:27:1116-29.8-26.4-11.50.02223-0.98, 0.521.120.003693702
2026-03-09 11:30:1117-29.5-25.9-11.60.02202-0.98, 0.521.120.003693703

The research leading to these results has received funding from the European Commission's Seventh Framework Programme (FP7/2007-2013) under the grant agreement nr. 263506 [AFFECTS], and grant agreement nr. 263252 [COMESEP]
Solar Demon is still under construction.
( Legal notices - SWSC (Volume 5, A18, 2015) research article:Solar Demon - an approach to detecting flares, dimmings, and EUV waves on SDO/AIA images )