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 13743
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2026-05-18 05:42 UTC)
Last detected dimming:
   8 hours and 13 minutes ago (2026-05-17 21:48 UTC)


Overview for dimming #:
   13743           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 #: 13743          
timeseq #total
intensity		max
intensity		median
intensity		areasizelatlonx,y in R☉dist.
R☉		detectionImg ID
2025-08-30 16:33:1110.00.00.00.00 , 0.003515023
2025-08-30 16:36:1120.00.00.00.00 , 0.003515026
2025-08-30 16:39:113-0.9-5.3-9.50.3100 , 0.003515027
2025-08-30 16:42:114-4.8-13.0-12.21.2388-0.5-5.5-0.10, -0.130.170.003515030
2025-08-30 16:45:115-7.1-18.7-12.11.6511-0.3-5.4-0.10, -0.130.160.003515031
2025-08-30 16:48:116-8.8-21.3-12.21.9595-0.6-5.6-0.10, -0.140.179.783515035
2025-08-30 16:51:117-11.6-23.8-12.52.3734-0.5-5.6-0.10, -0.140.1722.883515036
2025-08-30 16:54:118-14.9-26.0-13.82.9904-0.7-5.4-0.09, -0.140.1726.843515039
2025-08-30 16:57:119-17.9-28.8-13.43.41072-0.8-5.1-0.09, -0.140.1740.253515040
2025-08-30 17:00:1110-22.8-33.4-12.94.51407-1.0-4.8-0.09, -0.140.179.263515041
2025-08-30 17:03:1111-27.9-38.4-13.05.41701-1.2-4.8-0.08, -0.150.171.303515043
2025-08-30 17:06:1112-33.2-48.4-13.06.21947-0.9-4.9-0.09, -0.140.170.003515046
2025-08-30 17:09:1113-41.4-52.8-14.07.52269-1.5-10.1-0.18, -0.150.237.193515047
2025-08-30 17:12:1114-45.0-57.4-14.67.82348-1.9-11.3-0.20, -0.160.252.223515050
2025-08-30 17:15:1115-46.2-56.1-15.67.92338-2.5-14.9-0.26, -0.170.311.503515051
2025-08-30 17:18:1116-55.3-50.1-13.610.93031-3.4-20.4-0.35, -0.180.4015.033515054
2025-08-30 17:21:1117-66.9-46.2-13.413.03558-4.5-25.5-0.44, -0.190.4817.633515055
2025-08-30 17:24:1118-74.4-46.4-13.315.14035-4.8-26.8-0.46, -0.200.5018.863515058
2025-08-30 17:27:1119-82.0-47.9-13.616.14278-5.2-28.3-0.48, -0.200.521.113515059
2025-08-30 17:30:1120-91.7-56.7-13.618.54737-5.2-30.3-0.51, -0.200.550.003515062
2025-08-30 17:33:1121-98.4-69.5-13.318.94900-5.4-31.9-0.53, -0.200.571.343515063
2025-08-30 17:36:1122-105.6-79.6-13.719.85107-5.7-33.6-0.56, -0.200.590.943515066
2025-08-30 17:39:1123-117.6-91.0-13.522.65639-5.8-34.9-0.58, -0.200.610.003515067
2025-08-30 17:42:1124-129.9-98.1-13.425.26267-5.9-35.6-0.59, -0.210.626.283515071
2025-08-30 17:45:1125-135.0-102.6-13.126.36428-6.1-36.5-0.60, -0.210.630.003515072
2025-08-30 17:48:1126-137.8-101.4-13.226.76514-6.1-36.7-0.60, -0.210.640.003515075
2025-08-30 17:51:1127-142.3-103.4-13.227.56612-6.2-37.1-0.61, -0.210.641.123515076
2025-08-30 17:54:1128-149.2-105.7-13.529.56882-6.4-38.1-0.62, -0.210.660.883515079
2025-08-30 17:57:1129-155.7-107.7-13.031.77343-6.4-38.2-0.62, -0.210.660.003515080
2025-08-30 18:00:1130-165.1-109.8-12.734.77992-6.3-38.2-0.62, -0.210.660.003515082
2025-08-30 18:03:1131-173.0-111.4-12.936.58349-6.4-38.4-0.62, -0.210.660.003515083
2025-08-30 18:06:1132-181.2-116.5-12.638.98795-6.5-38.7-0.63, -0.210.660.003515086
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 )