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 13591
Detector 24h operating status:

Last processed image:    
   0 hours and 21 minutes ago (2026-08-14 03:03 UTC)
Last detected dimming:
   0 hours and 21 minutes ago (2026-08-14 03:03 UTC)


Overview for dimming #:
   13591           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 #: 13591          
timeseq #total
intensity		max
intensity		median
intensity		areasizelatlonx,y in R☉dist.
R☉		detectionImg ID
2025-08-10 16:15:1110.00.00.00.00 , 0.003496512
2025-08-10 16:18:1120.00.00.00.00 , 0.003496513
2025-08-10 16:21:1130.00.00.00.00 , 0.003496516
2025-08-10 16:24:1140.00.00.00.00 , 0.893496517
2025-08-10 16:27:1150.00.00.00.00 , 1.183496520
2025-08-10 16:30:1160.00.00.00.00 , 3.303496521
2025-08-10 16:33:117-0.3-2.3-20.40.11511.7-35.1-0.57, 0.110.583.323496524
2025-08-10 16:36:118-0.4-3.0-20.50.12414.1-37.3-0.60, 0.160.623.923496525
2025-08-10 16:39:119-1.5-8.0-10.50.511317.0-40.3-0.63, 0.210.660.003496528
2025-08-10 16:42:1110-2.6-6.7-9.40.922016.6-39.9-0.62, 0.200.651.283496529
2025-08-10 16:45:1111-1.8-7.2-9.80.717716.4-39.5-0.62, 0.200.650.003496532
2025-08-10 16:48:1112-1.0-5.1-8.80.410615.3-38.0-0.60, 0.180.630.003496533
2025-08-10 16:51:1113-3.0-10.7-11.01.126315.5-37.6-0.60, 0.180.620.003496537
2025-08-10 16:54:1114-3.3-11.5-11.41.128116.7-37.8-0.59, 0.200.630.003496538
2025-08-10 16:57:1115-2.8-10.5-11.41.023217.8-37.9-0.59, 0.220.630.003496540
2025-08-10 17:00:1116-9.2-10.6-9.67.191615.4-50.6-0.75, 0.200.780.003496541
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 )