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 13748
Detector 24h operating status:

Last processed image:    
   0 hours and 15 minutes ago (2026-09-10 01:36 UTC)
Last detected dimming:
   0 hours and 48 minutes ago (2026-09-10 01:03 UTC)


Overview for dimming #:
   13748           back to overview

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

   base difference ( percentage )
   running difference ( percentage )

more

more

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Details for dimming #: 13748          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-31 04:09:1110.00.00.00.00 , 0.003515487
2025-08-31 04:12:1120.00.00.00.00 , 0.003515490
2025-08-31 04:15:1130.00.00.00.00 , 0.003515491
2025-08-31 04:18:1140.00.00.00.00 , 0.003515494
2025-08-31 04:21:1150.00.00.00.00 , 0.003515495
2025-08-31 04:24:1160.00.00.00.00 , 5.893515498
2025-08-31 04:27:1170.00.00.00.00 , 4.673515499
2025-08-31 04:30:1180.00.00.00.00 , 2.033515502
2025-08-31 04:33:1190.00.00.00.00 , 0.003515503
2025-08-31 04:36:1110-0.2-1.6-21.90.09 , 1.003515506
2025-08-31 04:39:1111-0.2-1.4-17.70.09 , 1.223515507
2025-08-31 04:42:1112-0.6-4.4-20.30.1281.7-5.2-0.09, -0.100.130.003515510
2025-08-31 04:45:1113-1.0-8.0-15.00.2551.1-5.1-0.09, -0.110.141.153515511
2025-08-31 04:48:1114-1.9-8.0-9.81.11541.3-5.2-0.09, -0.100.141.713515514
2025-08-31 04:51:1115-6.7-11.2-9.42.9636-8.6-16.1-0.28, -0.270.395.183515515
2025-08-31 04:54:1116-8.9-39.2-10.63.2516-3.2-7.8-0.14, -0.180.2315.883515518
2025-08-31 04:57:1117-14.5-39.7-10.65.0959-10.7-18.5-0.32, -0.300.449.533515519
2025-08-31 05:00:1118-16.1-39.8-10.65.61055-10.9-18.9-0.32, -0.310.441.883515522
2025-08-31 05:03:1119-20.8-40.0-10.18.21514-9.4-17.9-0.31, -0.280.422.033515523
2025-08-31 05:06:1120-24.5-39.9-10.110.31841-7.8-16.7-0.29, -0.260.397.643515526
2025-08-31 05:09:1121-26.8-40.5-10.510.81956-8.6-16.7-0.29, -0.270.406.823515527
2025-08-31 05:12:1122-30.6-41.9-10.212.62337-9.6-18.6-0.32, -0.290.430.853515530
2025-08-31 05:15:1123-31.4-42.1-10.312.62328-10.4-18.0-0.31, -0.300.430.973515531
2025-08-31 05:18:1124-31.5-41.2-10.412.62348-8.0-15.9-0.28, -0.260.381.943515534
2025-08-31 05:21:1125-32.1-41.8-10.713.22413-6.6-14.4-0.25, -0.240.341.223515535
2025-08-31 05:24:1126-34.6-43.6-10.313.72623-6.9-15.0-0.26, -0.240.351.293515538
2025-08-31 05:27:1127-34.1-43.7-10.513.22547-6.8-15.2-0.26, -0.240.361.333515539
2025-08-31 05:30:1128-25.5-14.5-10.612.42068-8.5-15.6-0.27, -0.270.381.243515542
2025-08-31 05:33:1129-25.7-14.9-10.912.22031-5.6-12.7-0.22, -0.220.311.193515543
2025-08-31 05:36:1130-33.5-15.3-10.915.02669-3.2-11.5-0.20, -0.180.275.403515546
2025-08-31 05:39:1131-39.9-15.1-10.418.03206-2.2-9.5-0.17, -0.160.2310.793515547
2025-08-31 05:42:1132-45.6-14.4-10.420.13639-2.7-9.9-0.17, -0.170.254.733515550
2025-08-31 05:45:1133-47.8-16.2-10.820.93746-2.5-10.0-0.18, -0.170.242.883515551
2025-08-31 05:48:1134-55.8-16.7-11.020.94250-3.6-4.9-0.09, -0.190.213.483515554
2025-08-31 05:51:1135-51.3-16.8-10.821.1384012.5-36.3-0.58, 0.120.603.243515555
2025-08-31 05:54:1136-55.0-16.4-11.021.54074-4.5-6.1-0.11, -0.200.231.973515558
2025-08-31 05:57:1137-56.4-17.2-11.521.841188.0-29.7-0.50, 0.030.500.003515559
2025-08-31 06:00:1138-62.5-18.0-11.421.74613-5.5-8.2-0.14, -0.220.260.003515562
2025-08-31 06:03:1139-63.3-18.1-11.422.346418.0-32.1-0.53, 0.030.530.003515563
2025-08-31 06:06:1140-66.0-19.1-11.222.848738.8-32.7-0.54, 0.050.540.003515566
2025-08-31 06:09:1141-67.4-20.2-11.224.250258.3-35.0-0.57, 0.040.581.573515567
2025-08-31 06:12:1142-72.6-46.6-11.126.4526910.3-44.9-0.70, 0.090.710.843515570
2025-08-31 06:15:1143-71.7-46.4-11.424.4503710.2-45.0-0.70, 0.090.710.003515571
2025-08-31 06:18:1144-74.7-46.3-11.225.853398.8-42.7-0.68, 0.060.680.003515574

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 )