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 13520
Detector 24h operating status:

Last processed image:    
   0 hours and 23 minutes ago (2026-07-19 21:33 UTC)
Last detected dimming:
   13 hours and 8 minutes ago (2026-07-19 08:48 UTC)


Overview for dimming #:
   13520           back to overview

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

   base difference ( percentage )
   running difference ( percentage )

more
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Details for dimming #: 13520          
timeseq #total
intensity		max
intensity		median
intensity		areasizelatlonx,y in R☉dist.
R☉		detectionImg ID
2025-08-05 01:48:1110.00.00.00.00 , 1.393491206
2025-08-05 01:51:1120.00.00.00.00 , 0.003491207
2025-08-05 01:54:1130.00.00.00.00 , 0.003491212
2025-08-05 01:57:1140.00.00.00.00 , 0.003491213
2025-08-05 02:00:1150.00.00.00.00 , 0.003491214
2025-08-05 02:03:1160.00.00.00.00 , 5.763491215
2025-08-05 02:06:1170.00.00.00.00 , 1.543491219
2025-08-05 02:09:1180.00.00.00.00 , 0.003491220
2025-08-05 02:12:1190.00.00.00.00 , 0.003491224
2025-08-05 02:15:00100.00.00.00.00 , 0.003491225
2025-08-05 02:18:12110.00.0-9.30.04 , 0.003491226
2025-08-05 02:21:0012-0.7-5.9-11.50.2531.3-4.2-0.07, -0.080.110.003491227
2025-08-05 02:24:1113-1.0-7.6-10.10.3841.3-4.2-0.07, -0.080.110.003491230
2025-08-05 02:27:1114-1.7-8.4-9.30.61730.9-3.6-0.06, -0.090.110.003491231
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 )