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 15454
Detector 24h operating status:

Last processed image:    
   0 hours and 15 minutes ago (2026-04-26 09:48 UTC)
Last detected dimming:
   0 hours and 30 minutes ago (2026-04-26 09:33 UTC)


Overview for dimming #:
   15454           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 #: 15454          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-21 06:57:1110.00.00.00.00 , 0.003739128
2026-04-21 07:00:1120.00.00.00.00 , 0.003739132
2026-04-21 07:03:1130.00.00.00.00 , 0.943739133
2026-04-21 07:06:1140.00.00.00.00 , 0.003739136
2026-04-21 07:09:115-1.9-7.3-8.80.0202 , 0.003739137
2026-04-21 07:12:116-7.6-12.4-10.80.3675-1.13, 0.271.165.643739140
2026-04-21 07:15:117-15.3-15.3-11.21.01301-1.03, 0.141.046.733739141
2026-04-21 07:18:118-22.1-17.6-11.41.71789-1.02, 0.131.035.713739143
2026-04-21 07:21:119-31.9-20.9-11.73.32494-1.03, 0.141.043.663739144
2026-04-21 07:24:1110-39.7-25.7-11.85.33019-1.01, 0.121.021.133739147
2026-04-21 07:27:1111-46.2-27.6-11.77.334754.5-80.2-0.99, 0.091.000.003739148
2026-04-21 07:30:1112-50.0-31.7-12.38.136153.3-77.5-0.98, 0.080.990.003739151
2026-04-21 07:33:1113-51.2-33.7-12.48.636563.1-77.4-0.98, 0.070.990.003739152
2026-04-21 07:36:1114-49.0-30.6-13.07.234413.9-80.5-0.99, 0.081.000.003739155
2026-04-21 07:39:1115-49.6-29.6-12.77.43522-1.00, 0.091.000.003739156
2026-04-21 07:42:1116-48.6-27.8-13.16.83392-1.00, 0.101.000.003739159
2026-04-21 07:45:1117-49.5-27.2-13.17.233844.5-80.9-0.99, 0.091.000.003739160
2026-04-21 07:48:1118-49.9-27.5-13.17.03380-1.00, 0.111.010.003739163

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 )