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 14869
Detector 24h operating status:

Last processed image:    
   0 hours and 30 minutes ago (2026-03-13 00:15 UTC)
Last detected dimming:
   5 hours and 48 minutes ago (2026-03-12 18:57 UTC)


Overview for dimming #:
   14869           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 #: 14869          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-01-17 08:24:1110.00.00.00.00 , 0.003647507
2026-01-17 08:27:112-1.9-7.9-14.43.9100 , 0.003647510
2026-01-17 08:30:113-10.8-14.7-13.413.0526-41.9-83.4-0.75, -0.671.009.883647511
2026-01-17 08:33:114-16.0-16.0-12.418.2806-42.3-83.0-0.74, -0.671.000.003647514
2026-01-17 08:36:115-25.2-17.1-11.429.91290-42.3-83.3-0.74, -0.671.000.003647515
2026-01-17 08:39:116-36.9-23.7-11.837.61748-42.2-83.3-0.74, -0.671.001.563647518
2026-01-17 08:42:117-52.6-32.0-12.845.62234-45.8-80.7-0.69, -0.710.991.483647519
2026-01-17 08:45:118-52.0-30.8-12.746.22264-45.1-80.3-0.70, -0.700.990.003647522
2026-01-17 08:48:119-53.9-32.0-12.348.02368-45.6-80.0-0.70, -0.710.990.003647523
2026-01-17 08:51:1110-60.6-38.0-12.851.02563-44.7-80.9-0.71, -0.700.990.003647526
2026-01-17 08:54:1111-73.0-36.1-13.554.83046-45.6-80.7-0.70, -0.710.990.003647527
2026-01-17 08:57:1112-83.0-39.2-13.557.13406-45.4-81.0-0.70, -0.711.000.003647530
2026-01-17 09:00:1113-93.0-51.8-13.960.33696-44.9-81.1-0.71, -0.701.000.003647531

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 )