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 15565
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2026-05-19 07:24 UTC)
Last detected dimming:
   33 hours and 55 minutes ago (2026-05-17 21:48 UTC)


Overview for dimming #:
   15565           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 #: 15565          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-05-03 08:21:1110.00.00.00.00 , 0.003750697
2026-05-03 08:24:1120.00.00.00.00 , 0.003750700
2026-05-03 08:27:113-0.20.0-39.00.04 , 0.003750701
2026-05-03 08:30:114-2.9-13.5-17.30.4137 , 1.263750704
2026-05-03 08:33:115-6.5-17.1-13.21.2377-6.2-4.2-0.07, -0.040.081.573750705
2026-05-03 08:36:116-11.3-21.7-13.62.2699-5.7-2.9-0.05, -0.030.062.243750708
2026-05-03 08:39:117-15.3-23.8-14.32.8883-5.7-3.4-0.06, -0.030.071.873750709
2026-05-03 08:42:118-17.4-33.4-14.02.8897-5.8-4.0-0.07, -0.030.081.113750713
2026-05-03 08:45:119-22.2-45.9-14.93.41091-5.9-4.4-0.08, -0.040.090.003750714
2026-05-03 08:48:1110-24.1-55.5-14.33.61129-5.8-4.4-0.08, -0.030.080.003750717
2026-05-03 08:51:1111-26.0-60.3-14.33.81202-5.7-4.5-0.08, -0.030.080.003750718
2026-05-03 08:54:1112-29.9-66.2-13.34.51424-5.7-4.3-0.08, -0.030.080.003750720
2026-05-03 08:57:1113-34.9-68.2-13.25.51745-5.5-3.9-0.07, -0.030.070.003750721
2026-05-03 09:00:1114-39.7-72.1-13.16.32003-5.5-3.8-0.07, -0.030.070.003750725
2026-05-03 09:03:1115-41.9-81.2-12.96.72129-5.5-3.7-0.07, -0.030.070.003750726

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 )