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 15004
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2026-02-08 18:48 UTC)
Last detected dimming:
   0 hours and 19 minutes ago (2026-02-08 18:48 UTC)


Overview for dimming #:
   15004           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 #: 15004          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-01-31 22:45:1110.00.00.00.00 , 0.003660471
2026-01-31 22:48:1120.00.00.00.00 , 1.093660472
2026-01-31 22:51:1130.00.00.00.00 , 1.403660477
2026-01-31 22:54:114-0.7-7.3-12.30.054 , 0.003660478
2026-01-31 22:57:115-2.5-11.9-11.90.120614.4-46.2-0.71, 0.320.780.003660479
2026-01-31 23:00:116-4.4-14.2-11.40.6342-1.12, 0.081.134.303660480
2026-01-31 23:03:117-6.2-16.8-11.81.0456-0.99, 0.161.005.163660483
2026-01-31 23:06:118-4.8-18.7-14.90.3302-1.05, 0.121.052.353660484
2026-01-31 23:09:119-5.4-20.0-16.00.3319-1.03, 0.131.041.213660486
2026-01-31 23:12:1110-6.1-22.0-12.90.5369-1.09, 0.101.100.953660487
2026-01-31 23:15:1111-6.6-21.6-14.70.4380-1.12, 0.071.120.003660491
2026-01-31 23:18:1112-10.0-22.9-13.11.0610-1.07, 0.101.070.003660492
2026-01-31 23:21:1113-16.3-23.0-9.85.21196-1.06, 0.101.061.293660497
2026-01-31 23:24:1114-19.8-24.1-10.16.91472-1.06, 0.091.060.003660498
2026-01-31 23:27:1115-23.2-25.3-10.48.01697-1.03, 0.111.040.003660499
2026-01-31 23:30:1116-25.0-25.9-10.88.11778-1.01, 0.131.020.993660500
2026-01-31 23:33:1117-26.1-25.9-11.57.81807-1.00, 0.141.010.003660504
2026-01-31 23:36:1118-30.4-25.9-12.09.520526.8-75.5-0.97, 0.150.980.003660505

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 )