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 13779
Detector 24h operating status:

Last processed image:    
   0 hours and 25 minutes ago (2026-09-07 21:30 UTC)
Last detected dimming:
   1 hours and 42 minutes ago (2026-09-07 20:12 UTC)


Overview for dimming #:
   13779           back to overview

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

   base difference ( percentage )
   running difference ( percentage )

more

more

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Details for dimming #: 13779          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-03 12:12:1110.00.00.00.00 , 0.003518670
2025-09-03 12:15:1120.00.00.00.00 , 0.003518671
2025-09-03 12:18:1130.00.00.00.00 , 0.003518674
2025-09-03 12:21:1140.00.00.00.00 , 1.013518677
2025-09-03 12:24:115-0.7-4.4-10.70.26035.1-30.4-0.42, 0.490.641.683518678
2025-09-03 12:27:116-1.1-6.4-10.60.38435.0-30.3-0.42, 0.490.641.493518681
2025-09-03 12:30:117-1.9-8.6-12.30.512835.1-30.6-0.42, 0.490.642.023518682
2025-09-03 12:33:118-2.6-11.4-12.60.716934.8-30.3-0.42, 0.480.641.383518685
2025-09-03 12:36:119-3.9-17.9-14.90.922134.9-30.4-0.42, 0.480.640.003518686
2025-09-03 12:39:1110-5.3-23.6-16.91.025434.9-30.6-0.42, 0.480.640.003518689
2025-09-03 12:42:1111-6.2-28.9-20.61.025735.0-30.8-0.42, 0.490.650.003518690
2025-09-03 12:45:1112-6.4-30.1-22.11.126035.2-30.8-0.42, 0.490.650.003518693
2025-09-03 12:48:1113-6.3-31.8-32.20.921235.3-30.7-0.42, 0.490.650.003518694
2025-09-03 12:51:1114-12.1-32.3-14.82.863835.4-30.8-0.42, 0.490.650.003518697
2025-09-03 12:54:1115-21.9-30.9-15.34.7119729.9-24.4-0.36, 0.400.540.973518698
2025-09-03 12:57:1116-23.3-33.9-15.25.0125229.8-23.2-0.35, 0.400.530.003518701

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 )