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 13690
Detector 24h operating status:

Last processed image:    
   0 hours and 23 minutes ago (2025-08-29 22:12 UTC)
Last detected dimming:
   0 hours and 23 minutes ago (2025-08-29 22:12 UTC)


Overview for dimming #:
   13690           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

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Details for dimming #: 13690          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-25 08:42:111-0.5-4.0-8.70.248 , 0.003510015
2025-08-25 08:45:112-7.7-18.7-8.53.3744-34.50.70.01, -0.670.670.003510016
2025-08-25 08:48:113-18.7-27.1-10.56.81521-33.61.20.02, -0.660.660.003510017
2025-08-25 08:51:114-27.5-36.1-11.28.71939-32.31.40.02, -0.640.640.003510018
2025-08-25 08:54:115-33.9-39.7-12.59.52120-30.71.90.03, -0.620.620.003510019
2025-08-25 08:57:116-42.0-43.2-13.410.82416-29.22.20.03, -0.600.601.833510020
2025-08-25 09:00:117-52.8-47.2-14.712.82860-28.92.40.04, -0.590.601.823510021
2025-08-25 09:03:118-59.9-51.1-15.114.03141-28.02.80.04, -0.580.580.003510022
2025-08-25 09:06:119-66.1-54.8-16.114.63253-27.92.90.05, -0.580.580.003510023
2025-08-25 09:09:1110-70.8-56.6-16.614.93324-27.33.00.05, -0.570.570.003510024
2025-08-25 09:12:1111-74.6-61.5-17.115.23376-26.43.50.06, -0.560.560.003510025
2025-08-25 09:15:1112-81.1-64.5-18.415.83512-26.03.70.06, -0.550.551.453510026
2025-08-25 09:18:1113-86.8-73.6-19.515.93536-25.73.80.06, -0.550.550.003510027
2025-08-25 09:21:1114-93.2-85.7-19.716.53662-25.14.00.06, -0.540.540.003510028
2025-08-25 09:24:1115-98.6-93.0-18.817.53854-24.64.30.07, -0.530.530.003510029

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 )