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 13979
Detector 24h operating status:

Last processed image:    
   0 hours and 21 minutes ago (2025-09-28 04:45 UTC)
Last detected dimming:
   2 hours and 27 minutes ago (2025-09-28 02:39 UTC)


Overview for dimming #:
   13979           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 #: 13979          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-27 16:27:1110.00.00.00.00 , 0.003541838
2025-09-27 16:30:1120.00.00.00.00 , 0.003541839
2025-09-27 16:33:1130.00.00.00.00 , 0.003541844
2025-09-27 16:36:114-0.6-6.5-19.70.119 , 1.493541845
2025-09-27 16:39:115-1.4-15.7-11.10.358 , 0.003541848
2025-09-27 16:42:116-1.6-16.7-10.10.472 , 1.643541849
2025-09-27 16:45:117-1.8-18.0-10.10.587 , 0.003541852
2025-09-27 16:48:118-1.8-18.6-11.00.484 , 0.003541853
2025-09-27 16:51:119-1.7-17.2-11.60.483 , 0.003541857
2025-09-27 16:54:1110-1.8-18.3-11.60.588 , 1.043541858
2025-09-27 16:57:1111-1.8-17.2-9.70.6101 , 9.243541859
2025-09-27 17:00:1112-2.0-18.5-10.00.6106 , 1.233541860
2025-09-27 17:03:1113-2.5-19.5-10.70.9138 , 0.003541861
2025-09-27 17:06:1114-3.3-20.8-10.51.6216 , 0.003541865
2025-09-27 17:09:1115-3.9-19.6-10.62.1275 , 1.693541868
2025-09-27 17:12:1116-3.8-18.1-11.22.0268 , 0.003541869
2025-09-27 17:15:1117-3.9-16.9-11.72.1271 , 0.003541870
2025-09-27 17:18:1118-4.1-16.0-12.12.3286 , 0.003541873
2025-09-27 17:21:1119-3.5-13.9-12.11.9240 , 0.003541876

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 )