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 15441
Detector 24h operating status:

Last processed image:    
   0 hours and 19 minutes ago (2026-04-18 15:30 UTC)
Last detected dimming:
   4 hours and 10 minutes ago (2026-04-18 11:39 UTC)


Overview for dimming #:
   15441           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 #: 15441          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-16 05:42:1110.00.00.00.00 , 0.003734279
2026-04-16 05:45:112-4.6-27.9-23.40.7168 , 0.003734280
2026-04-16 05:48:113-7.9-32.3-19.61.432618.8-32.5-0.52, 0.400.650.003734283
2026-04-16 05:51:114-9.9-36.4-19.51.740618.7-32.3-0.51, 0.400.650.003734284
2026-04-16 05:54:115-12.2-42.4-20.82.047818.5-32.1-0.51, 0.400.650.003734287
2026-04-16 05:57:116-13.9-44.0-21.22.456718.4-32.1-0.51, 0.400.652.793734288
2026-04-16 06:00:117-15.1-44.4-20.52.661718.4-32.0-0.51, 0.400.650.003734291
2026-04-16 06:03:118-15.3-45.8-22.12.561218.5-32.0-0.51, 0.400.650.003734292
2026-04-16 06:06:119-16.5-45.8-22.92.764818.5-32.1-0.51, 0.400.650.003734295
2026-04-16 06:09:1110-18.1-47.4-23.02.969918.6-32.2-0.51, 0.400.650.003734296
2026-04-16 06:12:1111-20.2-48.9-23.13.378118.5-32.1-0.51, 0.400.650.003734299
2026-04-16 06:15:1112-22.9-49.0-22.73.789418.5-32.3-0.51, 0.400.650.003734300
2026-04-16 06:18:1113-24.2-47.4-21.54.299218.5-32.5-0.52, 0.400.650.003734304
2026-04-16 06:21:1114-26.1-49.6-21.54.3102418.4-32.6-0.52, 0.400.651.303734305

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 )