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 15575
Detector 24h operating status:

Last processed image:    
   0 hours and 19 minutes ago (2026-05-19 06:48 UTC)
Last detected dimming:
   33 hours and 19 minutes ago (2026-05-17 21:48 UTC)


Overview for dimming #:
   15575           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 #: 15575          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-05-06 04:27:1110.00.00.00.00 , 0.003753422
2026-05-06 04:30:1120.00.00.00.00 , 0.003753423
2026-05-06 04:33:1130.00.00.00.00 , 1.033753426
2026-05-06 04:36:114-1.0-6.6-14.60.2698.9-12.6-0.22, 0.220.311.143753427
2026-05-06 04:39:115-2.6-12.4-17.60.51458.8-12.8-0.22, 0.220.310.933753430
2026-05-06 04:42:116-3.8-16.0-19.80.71978.7-13.7-0.24, 0.220.321.813753431
2026-05-06 04:45:117-4.4-16.4-19.80.72258.9-13.6-0.24, 0.220.321.343753434
2026-05-06 04:48:118-5.1-17.7-19.90.92608.8-13.6-0.23, 0.220.321.133753435
2026-05-06 04:51:119-5.9-19.2-21.21.02908.9-13.3-0.23, 0.220.320.923753438
2026-05-06 04:54:1110-6.6-20.1-21.51.13218.9-13.0-0.23, 0.220.310.003753439
2026-05-06 04:57:1111-8.0-21.5-21.21.33899.0-12.3-0.21, 0.220.310.003753442
2026-05-06 05:00:1112-8.0-21.2-21.11.33899.4-11.8-0.20, 0.230.310.003753443
2026-05-06 05:03:1113-8.3-21.3-22.71.339010.1-10.7-0.18, 0.240.300.933753446
2026-05-06 05:06:1114-8.7-22.5-23.21.33969.2-12.1-0.21, 0.220.311.263753447

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 )