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 13522
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2026-05-17 12:21 UTC)
Last detected dimming:
   8 hours and 10 minutes ago (2026-05-17 04:30 UTC)


Overview for dimming #:
   13522           back to overview

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

   base difference ( percentage )
   running difference ( percentage )

more

more

more


Details for dimming #: 13522          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-05 04:33:1110.00.00.00.00 , 0.003491315
2025-08-05 04:36:1120.00.00.00.00 , 0.003491320
2025-08-05 04:39:113-0.4-4.0-7.50.247 , 0.003491321
2025-08-05 04:42:1140.00.00.00.00 , 0.003491322
2025-08-05 04:45:1150.00.00.00.00 , 1.653491323
2025-08-05 04:48:1160.00.00.00.00 , 3.823491325
2025-08-05 04:51:117-0.2-1.9-16.60.010 , 1.223491326
2025-08-05 04:54:1180.00.00.00.00 , 0.003491330
2025-08-05 04:57:1190.00.00.00.00 , 1.443491331
2025-08-05 05:00:11100.00.00.00.00 , 0.003491334
2025-08-05 05:03:1111-1.7-11.0-10.90.5147-1.3-3.9-0.07, -0.130.150.003491335
2025-08-05 05:06:1112-2.3-14.4-12.30.6173-0.8-4.0-0.07, -0.120.140.003491338
2025-08-05 05:09:1113-3.2-15.9-10.90.8250-0.7-4.0-0.07, -0.120.140.003491339
2025-08-05 05:12:1114-3.7-17.2-10.30.9282-0.6-4.1-0.07, -0.120.141.213491342

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 )