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 14583
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2026-03-05 05:48 UTC)
Last detected dimming:
   0 hours and 23 minutes ago (2026-03-05 05:45 UTC)


Overview for dimming #:
   14583           back to overview

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

   base difference ( percentage )
   running difference ( percentage )

more

more

more


Details for dimming #: 14583          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-05 16:00:1110.00.00.00.00 , 0.003607107
2025-12-05 16:03:112-0.1-0.8-26.10.05 , 0.003607109
2025-12-05 16:06:113-0.5-6.5-29.70.11921.0-29.1-0.46, 0.360.580.003607112
2025-12-05 16:09:114-0.7-9.1-31.20.12521.3-28.7-0.45, 0.360.580.003607113
2025-12-05 16:12:115-1.1-12.7-33.70.13521.4-28.7-0.45, 0.370.580.003607114
2025-12-05 16:15:116-1.0-11.5-33.40.13121.4-28.6-0.45, 0.370.588.473607117
2025-12-05 16:18:117-1.5-14.1-33.80.13921.6-28.3-0.45, 0.370.584.283607118
2025-12-05 16:21:118-1.3-10.8-31.10.24321.6-28.4-0.45, 0.370.581.443607124
2025-12-05 16:24:119-0.5-4.6-16.90.12721.1-28.7-0.45, 0.360.580.003607125
2025-12-05 16:27:1110-0.7-5.2-14.70.25022.6-25.7-0.41, 0.380.560.003607126
2025-12-05 16:30:1111-0.7-5.3-11.30.24722.1-24.4-0.39, 0.380.540.003607130
2025-12-05 16:33:1112-2.8-7.9-10.10.820522.7-20.3-0.32, 0.390.500.003607131
2025-12-05 16:36:1113-6.8-14.5-12.71.335519.0-15.1-0.25, 0.320.411.373607132
2025-12-05 16:39:1114-6.8-14.4-13.91.233218.8-14.2-0.24, 0.320.400.003607133
2025-12-05 16:42:1115-9.1-15.5-14.21.439022.3-15.0-0.24, 0.380.450.003607137
2025-12-05 16:45:1116-10.0-18.1-12.81.543322.3-15.1-0.24, 0.380.450.003607138

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 )