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 13734
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2026-03-09 08:06 UTC)
Last detected dimming:
   16 hours and 35 minutes ago (2026-03-08 15:51 UTC)


Overview for dimming #:
   13734           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 #: 13734          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-30 05:09:1110.00.00.00.00 , 0.003514568
2025-08-30 05:12:1120.00.00.00.00 , 0.003514570
2025-08-30 05:15:1130.00.0-24.30.02 , 0.003514571
2025-08-30 05:18:114-0.4-4.2-13.40.130 , 0.003514574
2025-08-30 05:21:115-1.3-7.3-11.80.3101 , 0.003514575
2025-08-30 05:24:116-4.3-10.2-8.41.4422-6.2-1.4-0.02, -0.230.230.883514576
2025-08-30 05:27:117-10.7-14.0-9.63.1963-0.2-7.0-0.12, -0.130.180.003514579
2025-08-30 05:30:118-15.9-15.6-10.44.41365-0.8-6.9-0.12, -0.140.180.003514583
2025-08-30 05:33:119-19.9-16.7-10.85.41659-1.5-6.0-0.11, -0.150.180.003514584
2025-08-30 05:36:1110-22.3-18.0-11.45.81791-1.2-6.3-0.11, -0.150.180.003514585
2025-08-30 05:39:1111-24.7-18.8-11.66.21910-1.1-6.7-0.12, -0.140.190.003514587
2025-08-30 05:42:1112-24.1-19.4-12.35.81806-0.1-8.3-0.15, -0.130.190.003514588
2025-08-30 05:45:1113-26.5-20.5-12.56.71937-0.6-7.6-0.13, -0.140.190.863514591
2025-08-30 05:48:1114-26.4-20.5-12.56.61903-0.9-7.3-0.13, -0.140.190.003514594

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 )