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 14552
Detector 24h operating status:

Last processed image:    
   0 hours and 24 minutes ago (2026-03-05 14:06 UTC)
Last detected dimming:
   3 hours and 50 minutes ago (2026-03-05 10:39 UTC)


Overview for dimming #:
   14552           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 #: 14552          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-02 19:39:1110.00.00.00.00 , 0.003604419
2025-12-02 19:42:112-4.1-9.3-8.11.5488-1.2-6.3-0.11, -0.030.120.003604420
2025-12-02 19:45:113-12.8-13.1-9.54.01326-1.7-5.8-0.10, -0.040.110.003604423
2025-12-02 19:48:114-22.2-17.4-10.16.12026-2.2-6.3-0.11, -0.050.120.003604424
2025-12-02 19:51:115-28.7-20.4-11.07.12339-2.3-6.4-0.11, -0.050.120.003604427
2025-12-02 19:54:116-35.1-21.9-11.28.22720-3.0-6.7-0.12, -0.070.141.483604428
2025-12-02 19:57:117-45.0-26.0-11.510.13326-3.7-4.9-0.09, -0.080.121.153604431
2025-12-02 20:00:118-53.7-27.4-12.311.53797-3.9-4.8-0.08, -0.080.121.883604432

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 )