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 13973
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2025-09-28 04:48 UTC)
Last detected dimming:
   2 hours and 28 minutes ago (2025-09-28 02:39 UTC)


Overview for dimming #:
   13973           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

more


Details for dimming #: 13973          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-27 08:51:1110.00.00.00.00 , 0.003541534
2025-09-27 08:54:1120.00.00.00.00 , 0.003541537
2025-09-27 08:57:1130.00.00.00.00 , 1.163541540
2025-09-27 09:00:1140.00.00.00.00 , 1.443541541
2025-09-27 09:03:1150.00.00.00.00 , 2.203541542
2025-09-27 09:06:1160.00.00.00.00 , 3.633541545
2025-09-27 09:09:1170.00.00.00.00 , 4.033541546
2025-09-27 09:12:1180.00.0-9.90.04 , 9.613541551
2025-09-27 09:15:119-1.2-4.7-8.11.1140 , 15.723541552
2025-09-27 09:18:1110-3.0-9.8-9.02.0258 , 14.913541553
2025-09-27 09:21:4711-6.9-36.3-9.32.5359 , 13.783541554
2025-09-27 09:24:1112-8.3-47.3-9.32.5426 , 5.343541557
2025-09-27 09:27:1113-7.8-37.2-10.12.2427 , 3.533541560
2025-09-27 09:30:1114-6.9-26.2-9.81.9454 , 4.093541561
2025-09-27 09:33:3515-6.5-18.8-11.61.1424 , 1.213541562
2025-09-27 09:36:1116-6.4-16.5-12.30.6407 , 0.003541567
2025-09-27 09:39:1117-5.5-13.0-12.20.3424 , 0.003541568
2025-09-27 09:42:1118-6.3-15.2-13.20.2465 , 0.003541569
2025-09-27 09:45:1119-6.2-14.9-13.20.1451 , 0.003541570
2025-09-27 09:48:1120-6.9-14.3-13.20.7513 , 0.003541573
2025-09-27 09:51:1121-8.7-15.1-13.51.2596 , 0.003541574
2025-09-27 09:54:1122-9.5-15.3-13.31.5638 , 0.003541577

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 )