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 13431
Detector 24h operating status:

Last processed image:    
   10 hours and 45 minutes ago (2026-03-06 00:24 UTC)
Last detected dimming:
   12 hours and 3 minutes ago (2026-03-05 23:06 UTC)


Overview for dimming #:
   13431           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 #: 13431          
timeseq #total
intensity		max
intensity		median
intensity		areasizelatlonx,y in R☉dist.
R☉		detectionImg ID
2025-07-28 09:06:1110.00.00.00.00 , 0.003484197
2025-07-28 09:09:1120.00.00.00.00 , 1.503484198
2025-07-28 09:12:1130.00.00.00.00 , 1.133484201
2025-07-28 09:15:1140.00.00.00.00 , 0.003484202
2025-07-28 09:18:1150.00.00.00.00 , 1.593484206
2025-07-28 09:21:1160.00.00.00.00 , 1.923484207
2025-07-28 09:24:117-0.1-1.4-7.70.118 , 1.233484208
2025-07-28 09:27:118-0.4-3.1-9.10.344 , 0.003484210
2025-07-28 09:30:119-0.4-3.0-6.80.347 , 0.003484211
2025-07-28 09:33:1110-0.7-5.5-8.70.469 , 0.003484215
2025-07-28 09:36:1111-0.6-4.5-7.20.573 , 0.003484217
2025-07-28 09:39:1112-0.8-5.5-6.90.691-11.7-58.1-0.84, -0.250.880.003484218
2025-07-28 09:42:1113-1.0-6.3-8.10.694-11.8-58.2-0.84, -0.260.880.003484221
2025-07-28 09:45:1114-1.1-6.2-8.20.696-11.9-58.2-0.84, -0.260.880.003484222
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 )