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 15433
Detector 24h operating status:

Last processed image:    
   0 hours and 21 minutes ago (2026-04-19 01:36 UTC)
Last detected dimming:
   4 hours and 51 minutes ago (2026-04-18 21:06 UTC)


Overview for dimming #:
   15433           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 #: 15433          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-13 18:33:1110.00.00.00.00 , 0.003731913
2026-04-13 18:36:1120.00.00.00.00 , 0.003731914
2026-04-13 18:39:1130.00.00.00.00 , 0.003731917
2026-04-13 18:42:114-4.3-12.5-10.50.04020.54, -0.881.030.003731918
2026-04-13 18:45:115-15.9-16.9-11.20.013610.55, -0.871.030.003731921
2026-04-13 18:48:116-27.0-20.8-12.30.020440.55, -0.871.031.733731922
2026-04-13 18:51:117-35.3-23.6-13.30.025130.57, -0.851.021.963731925
2026-04-13 18:54:118-39.6-23.6-13.50.027960.58, -0.841.021.383731926
2026-04-13 18:57:119-42.8-23.5-13.50.030270.59, -0.841.020.003731929
2026-04-13 19:00:1110-45.3-24.4-13.70.031930.59, -0.841.030.003731930
2026-04-13 19:03:1111-48.3-24.2-13.60.034090.60, -0.831.020.003731933
2026-04-13 19:06:1112-52.1-25.9-13.50.036240.60, -0.831.030.003731934
2026-04-13 19:09:1113-57.8-27.1-13.90.338470.60, -0.831.020.003731938
2026-04-13 19:12:1114-63.3-27.6-14.40.140380.61, -0.831.030.003731939
2026-04-13 19:15:1115-67.9-29.5-14.40.342550.60, -0.831.020.003731941
2026-04-13 19:18:1116-72.5-31.4-14.91.043950.60, -0.831.020.003731942

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 )