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 15901
Detector 24h operating status:

Last processed image:    
   0 hours and 23 minutes ago (2026-07-11 17:42 UTC)
Last detected dimming:
   25 hours and 11 minutes ago (2026-07-10 16:54 UTC)


Overview for dimming #:
   15901           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 #: 15901          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-07-03 03:39:1110.00.00.00.00 , 0.003808873
2026-07-03 03:42:1120.00.00.00.00 , 0.003808876
2026-07-03 03:45:1130.00.00.00.00 , 0.003808877
2026-07-03 03:48:1140.00.00.00.00 , 1.793808880
2026-07-03 03:51:115-0.10.0-24.00.03-25.052.80.73, -0.460.860.003808881
2026-07-03 03:54:116-2.1-18.7-19.20.692-24.953.00.73, -0.450.867.533808884
2026-07-03 03:57:117-3.1-23.3-17.60.8134-24.853.00.73, -0.450.868.073808885
2026-07-03 04:00:118-4.5-24.9-14.21.7235-25.053.00.73, -0.460.861.043808888
2026-07-03 04:03:119-7.2-31.9-15.32.7363-25.052.90.73, -0.460.860.003808889
2026-07-03 04:06:1110-9.6-35.5-15.33.8482-24.853.00.73, -0.450.860.003808892
2026-07-03 04:09:1111-10.9-37.4-14.54.7556-24.953.70.74, -0.460.870.003808893
2026-07-03 04:12:1112-13.3-39.5-14.46.1693-25.354.70.75, -0.460.880.003808896
2026-07-03 04:15:1113-14.7-39.8-14.86.9767-25.555.80.75, -0.460.890.003808897
2026-07-03 04:18:1114-16.3-41.4-15.17.6825-25.756.50.76, -0.460.890.003808900
2026-07-03 04:21:1115-17.4-41.1-16.18.086525.868.40.85, 0.420.940.003808901

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 )