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 13573
Detector 24h operating status:

Last processed image:    
   0 hours and 22 minutes ago (2026-09-13 23:36 UTC)
Last detected dimming:
   0 hours and 21 minutes ago (2026-09-13 23:36 UTC)


Overview for dimming #:
   13573           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 #: 13573          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-09 03:15:1110.00.00.00.00 , 0.003495099
2025-08-09 03:18:1120.00.00.00.00 , 1.013495100
2025-08-09 03:21:113-3.0-14.4-14.00.8215 , 0.003495102
2025-08-09 03:24:114-12.9-24.8-13.83.179235.620.60.29, 0.500.580.003495103
2025-08-09 03:27:115-22.8-34.4-15.14.7121635.620.30.29, 0.500.581.283495106
2025-08-09 03:30:116-30.4-41.6-14.56.1156535.519.50.28, 0.500.578.893495107
2025-08-09 03:33:117-42.3-47.8-14.68.1209935.117.70.25, 0.490.557.153495110
2025-08-09 03:36:118-50.9-52.3-15.59.5243234.917.40.25, 0.490.552.423495111
2025-08-09 03:39:119-58.2-53.6-16.110.7275134.816.90.24, 0.490.545.863495112
2025-08-09 03:42:1110-63.6-53.9-16.611.4293634.716.50.24, 0.480.540.003495115
2025-08-09 03:45:1111-68.3-55.0-16.912.0306834.516.10.23, 0.480.530.003495116
2025-08-09 03:48:1112-72.7-54.6-17.212.8326634.515.90.23, 0.480.530.003495119
2025-08-09 03:51:1113-77.3-54.6-17.313.5344734.615.90.23, 0.480.530.003495120
2025-08-09 03:54:1114-83.2-56.4-17.214.6372434.515.60.22, 0.480.530.003495125
2025-08-09 03:57:1115-86.1-56.0-16.215.3390934.515.00.22, 0.480.530.003495126
2025-08-09 04:00:1116-90.5-58.8-15.616.2412234.515.30.22, 0.480.530.003495127
2025-08-09 04:03:1117-94.7-59.8-15.816.8427434.515.40.22, 0.480.530.003495128

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 )