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 13400
Detector 24h operating status:

Last processed image:    
   0 hours and 14 minutes ago (2026-05-17 06:27 UTC)
Last detected dimming:
   2 hours and 11 minutes ago (2026-05-17 04:30 UTC)


Overview for dimming #:
   13400           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 #: 13400          
timeseq #total
intensity		max
intensity		median
intensity		areasizelatlonx,y in R☉dist.
R☉		detectionImg ID
2025-07-25 02:00:1110.00.00.00.00 , 0.003481107
2025-07-25 02:03:1120.00.00.00.00 , 0.003481110
2025-07-25 02:06:1130.00.00.00.00 , 0.003481111
2025-07-25 02:09:1140.00.00.00.00 , 0.003481114
2025-07-25 02:12:1150.00.00.00.00 , 0.003481115
2025-07-25 02:15:1160.00.00.00.00 , 6.433481118
2025-07-25 02:18:1170.00.00.00.00 , 0.003481119
2025-07-25 02:21:1180.00.00.00.00 , 0.003481122
2025-07-25 02:24:239-0.7-6.0-13.40.251 , 0.003481123
2025-07-25 02:27:1110-14.5-14.5-9.80.213981.02, -0.471.127.283481126
2025-07-25 02:30:1111-27.9-20.7-9.90.325201.11, -0.241.138.193481127
2025-07-25 02:33:1112-31.0-21.5-9.80.328331.11, -0.241.130.943481130
2025-07-25 02:36:1113-35.5-21.8-9.90.331961.10, -0.261.132.533481131
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 )