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 15228
Detector 24h operating status:

Last processed image:    
   0 hours and 17 minutes ago (2026-04-17 11:45 UTC)
Last detected dimming:
   4 hours and 20 minutes ago (2026-04-17 07:42 UTC)


Overview for dimming #:
   15228           back to overview

Animations and graphs
   derotated original images ( non-derotated )
   dimming intensity
   dimming mask

   base difference ( percentage )
   running difference ( percentage )

more

more

more


Details for dimming #: 15228          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-03-12 18:21:1110.00.00.00.00 , 0.003696844
2026-03-12 18:24:112-0.6-5.3-8.40.0721.20, 0.131.210.003696845
2026-03-12 18:27:113-6.3-13.0-11.20.05481.19, 0.151.200.003696846
2026-03-12 18:30:114-14.7-21.3-13.30.010361.20, 0.141.211.243696847
2026-03-12 18:33:115-22.2-29.8-13.80.014301.21, 0.131.221.163696851
2026-03-12 18:36:116-29.5-35.1-14.90.017641.22, 0.131.230.963696852
2026-03-12 18:39:117-35.1-38.2-16.00.019621.22, 0.131.230.003696856
2026-03-12 18:42:118-40.4-40.9-16.70.021561.22, 0.141.220.003696857
2026-03-12 18:45:119-45.4-43.8-17.50.023351.21, 0.141.220.003696858
2026-03-12 18:48:1110-49.6-46.4-18.00.024731.21, 0.141.220.003696859
2026-03-12 18:51:1111-53.3-48.1-18.50.025671.21, 0.141.220.003696864
2026-03-12 18:54:1112-57.5-49.9-19.10.027051.21, 0.141.220.003696865
2026-03-12 18:57:1113-60.9-50.8-19.40.027921.21, 0.141.220.003696866

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 )