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 13414
Detector 24h operating status:

Last processed image:    
   0 hours and 21 minutes ago (2026-05-17 02:21 UTC)
Last detected dimming:
   0 hours and 36 minutes ago (2026-05-17 02:06 UTC)


Overview for dimming #:
   13414           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 #: 13414          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-07-26 08:12:1110.00.00.00.00 , 0.003482315
2025-07-26 08:15:112-0.10.0-26.90.02 , 0.003482316
2025-07-26 08:18:113-3.2-5.9-10.40.9249-9.3-33.5-0.55, -0.240.60459.153482320
2025-07-26 08:21:114-13.8-11.3-10.46.71051-9.8-30.5-0.51, -0.250.57282.973482322
2025-07-26 08:24:115-26.0-11.9-10.917.01908-16.3-20.3-0.34, -0.370.5045.903482323
2025-07-26 08:27:116-44.1-15.8-10.926.73066-17.0-19.9-0.33, -0.380.5039.903482327
2025-07-26 08:30:117-55.6-15.8-10.432.73978-16.7-20.1-0.33, -0.370.5013.383482328
2025-07-26 08:33:118-67.3-17.3-10.032.94836-30.9-30.0-0.43, -0.590.731.063482331
2025-07-26 08:36:119-90.9-23.9-9.643.06664-30.5-28.8-0.42, -0.580.7215.513482332
2025-07-26 08:39:3510-100.4-26.7-9.544.67361-31.2-29.9-0.43, -0.590.7325.573482333
2025-07-26 08:42:1111-123.1-39.7-9.552.48955-30.0-29.2-0.43, -0.570.721.433482336
2025-07-26 08:45:1112-137.4-43.0-9.557.810041-29.9-29.1-0.43, -0.570.710.003482339
2025-07-26 08:48:1113-157.4-44.6-9.764.411208-28.5-29.0-0.43, -0.550.701.023482340
2025-07-26 08:51:1114-179.6-45.6-9.766.212779-27.3-28.5-0.43, -0.540.690.003482343
2025-07-26 09:06:1115-271.5-59.8-10.092.719043-25.4-28.3-0.43, -0.510.670.003482352

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 )