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 15911
Detector 24h operating status:

Last processed image:    
   0 hours and 21 minutes ago (2026-07-21 04:03 UTC)
Last detected dimming:
   1 hours and 51 minutes ago (2026-07-21 02:33 UTC)


Overview for dimming #:
   15911           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 #: 15911          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-07-04 01:54:1110.00.00.00.00 , 0.003809757
2026-07-04 01:57:1120.00.00.00.00 , 0.003809758
2026-07-04 02:00:1130.00.00.00.00 , 0.003809761
2026-07-04 02:03:114-0.8-9.2-18.30.245 , 0.843809762
2026-07-04 02:06:115-6.8-20.7-21.81.8316-19.447.50.70, -0.370.801.613809765
2026-07-04 02:09:116-4.7-24.3-26.21.0181-19.747.90.71, -0.380.804.913809768
2026-07-04 02:12:117-4.4-22.0-23.61.0192-19.547.80.71, -0.370.804.173809769
2026-07-04 02:15:118-4.9-21.8-21.61.3234-20.850.40.73, -0.390.830.003809770
2026-07-04 02:18:119-4.8-21.0-20.91.3236-21.351.80.74, -0.400.840.003809772
2026-07-04 02:21:1110-6.0-24.1-21.81.5283-21.351.30.74, -0.400.840.003809773
2026-07-04 02:24:1111-6.7-27.0-21.41.7319-21.451.20.73, -0.400.840.003809777
2026-07-04 02:27:1112-7.2-26.3-19.11.9357-21.451.10.73, -0.400.840.003809778
2026-07-04 02:30:1113-6.4-25.2-19.01.7324-21.350.60.73, -0.400.830.003809781
2026-07-04 02:33:5914-6.5-25.0-18.91.8330-21.350.70.73, -0.400.830.003809782
2026-07-04 02:36:1115-6.6-24.3-17.61.8340-21.451.00.73, -0.400.840.003809785

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 )