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 13750
Detector 24h operating status:

Last processed image:    
   0 hours and 22 minutes ago (2026-09-13 22:42 UTC)
Last detected dimming:
   1 hours and 37 minutes ago (2026-09-13 21:27 UTC)


Overview for dimming #:
   13750           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 #: 13750          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-31 08:27:1110.00.00.00.00 , 0.003515660
2025-08-31 08:30:1120.00.00.00.00 , 0.003515662
2025-08-31 08:33:1130.00.00.00.00 , 0.003515663
2025-08-31 08:36:1140.00.00.00.00 , 0.993515666
2025-08-31 08:39:1150.00.00.00.00 , 1.223515667
2025-08-31 08:42:116-0.4-2.2-8.50.34726.2-59.5-0.78, 0.380.871.973515670
2025-08-31 08:45:117-0.8-4.8-9.00.68025.0-63.3-0.82, 0.370.900.003515671
2025-08-31 08:48:118-0.8-4.8-10.10.57023.9-67.4-0.85, 0.360.930.833515674
2025-08-31 08:51:119-0.6-2.6-9.30.46026.1-59.5-0.78, 0.380.870.003515675
2025-08-31 08:54:1110-0.8-5.2-12.30.46125.9-59.9-0.79, 0.380.870.003515678
2025-08-31 08:57:1111-0.9-4.9-10.90.57325.4-60.3-0.79, 0.370.880.003515679
2025-08-31 09:00:1112-0.8-4.7-11.60.56225.2-60.5-0.80, 0.370.880.003515682
2025-08-31 09:03:1113-0.9-5.8-9.90.57525.2-60.5-0.80, 0.370.880.003515683
2025-08-31 09:06:1114-0.8-4.6-11.00.566 , 0.003515686

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 )