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 13545
Detector 24h operating status:

Last processed image:    
   0 hours and 19 minutes ago (2026-05-17 06:03 UTC)
Last detected dimming:
   1 hours and 52 minutes ago (2026-05-17 04:30 UTC)


Overview for dimming #:
   13545           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 #: 13545          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-06 19:15:1110.00.00.00.00 , 0.003492859
2025-08-06 19:18:1120.00.00.00.00 , 1.283492860
2025-08-06 19:21:1130.00.00.00.00 , 1.443492864
2025-08-06 19:24:1140.00.00.00.00 , 0.003492865
2025-08-06 19:27:1150.00.00.00.00 , 0.003492866
2025-08-06 19:30:116-0.4-4.5-9.50.3411.2-59.0-0.87, -0.040.872.593492867
2025-08-06 19:33:117-2.1-8.0-12.01.11612.2-59.8-0.87, -0.020.872.623492872
2025-08-06 19:36:478-3.5-10.5-12.71.82622.6-61.4-0.89, -0.010.892.283492873
2025-08-06 19:39:119-3.9-11.4-12.02.02972.0-60.1-0.88, -0.020.881.873492874
2025-08-06 19:42:1110-5.4-14.0-12.82.83952.5-61.6-0.89, -0.010.891.193492875
2025-08-06 19:45:1111-5.9-15.3-13.12.94142.3-61.0-0.88, -0.010.881.453492877
2025-08-06 19:48:1112-7.4-17.1-13.33.54992.5-60.6-0.88, -0.010.881.523492878
2025-08-06 19:51:1113-8.4-18.2-13.53.85472.5-60.3-0.88, -0.010.881.213492883
2025-08-06 19:54:2314-8.7-18.8-13.83.95512.2-59.6-0.87, -0.020.870.003492884
2025-08-06 19:57:1115-9.9-20.1-13.84.26062.0-60.2-0.88, -0.020.880.003492885
2025-08-06 20:00:3516-9.8-20.9-14.24.15952.0-61.0-0.88, -0.020.880.003492887
2025-08-06 20:03:1117-11.7-21.6-13.75.07191.9-60.7-0.88, -0.020.880.003492892

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 )