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 13773
Detector 24h operating status:

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


Overview for dimming #:
   13773           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 #: 13773          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-02 23:18:1110.00.00.00.00 , 0.003518154
2025-09-02 23:21:1120.00.00.00.00 , 0.003518157
2025-09-02 23:24:1130.00.00.00.00 , 0.003518158
2025-09-02 23:27:1140.00.00.00.00 , 1.123518162
2025-09-02 23:30:1150.00.00.00.00 , 0.873518163
2025-09-02 23:33:116-0.4-3.9-9.40.141 , 1.403518166
2025-09-02 23:36:117-0.8-5.5-10.30.373 , 0.003518167
2025-09-02 23:39:118-2.2-9.2-11.00.616015.3-23.7-0.39, 0.150.420.003518169
2025-09-02 23:42:119-4.2-19.5-12.30.925315.6-23.6-0.39, 0.160.421.653518170
2025-09-02 23:45:1110-5.5-26.6-13.21.131515.7-23.5-0.39, 0.160.420.003518174
2025-09-02 23:48:1111-6.6-29.7-14.91.235226.5-18.5-0.29, 0.340.450.003518175
2025-09-02 23:51:1112-7.9-32.6-14.81.541826.3-18.5-0.29, 0.340.440.003518177
2025-09-02 23:54:1113-10.7-42.1-14.91.953925.2-19.0-0.30, 0.320.440.003518178
2025-09-02 23:57:1114-13.3-44.5-14.32.468724.9-19.1-0.30, 0.310.430.003518179

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 )