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 13757
Detector 24h operating status:

Last processed image:    
   0 hours and 30 minutes ago (2026-05-20 16:27 UTC)
Last detected dimming:
   2 hours and 3 minutes ago (2026-05-20 14:54 UTC)


Overview for dimming #:
   13757           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 #: 13757          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-01 02:57:1110.00.00.00.00 , 0.003516386
2025-09-01 03:00:1120.00.00.00.00 , 0.003516389
2025-09-01 03:03:1130.00.00.00.00 , 0.003516390
2025-09-01 03:06:1140.00.00.00.00 , 1.253516393
2025-09-01 03:09:1150.00.00.00.00 , 0.993516394
2025-09-01 03:12:1160.00.00.00.00 , 1.143516397
2025-09-01 03:15:1170.00.00.00.00 , 0.003516398
2025-09-01 03:18:118-0.2-2.0-12.80.014-9.8-5.7-0.10, -0.300.310.003516399
2025-09-01 03:21:119-1.4-8.5-11.50.4127-10.1-5.6-0.10, -0.300.320.003516400
2025-09-01 03:24:1110-1.6-9.7-11.20.5142-10.0-5.7-0.10, -0.300.310.003516407
2025-09-01 03:27:1111-2.2-9.8-11.30.6196-10.1-5.5-0.10, -0.300.320.003516408
2025-09-01 03:30:1112-2.6-10.5-11.80.7224-9.8-5.6-0.10, -0.300.310.003516409
2025-09-01 03:33:1113-2.6-10.4-11.90.7221-9.4-5.8-0.10, -0.290.310.003516410
2025-09-01 03:36:1114-2.6-10.1-11.80.7224-9.5-5.7-0.10, -0.290.310.003516415

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 )