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 14891
Detector 24h operating status:

Last processed image:    
   0 hours and 28 minutes ago (2026-03-12 11:48 UTC)
Last detected dimming:
   3 hours and 7 minutes ago (2026-03-12 09:09 UTC)


Overview for dimming #:
   14891           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 #: 14891          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-01-20 11:30:4710.00.00.00.00 , 0.003649635
2026-01-20 11:33:1120.00.00.00.00 , 0.003649640
2026-01-20 11:36:1130.00.00.00.00 , 0.003649641
2026-01-20 11:39:1140.00.00.00.00 , 0.003649642
2026-01-20 11:42:1150.00.00.00.00 , 1.073649643
2026-01-20 11:45:1160.00.00.00.00 , 4.173649646
2026-01-20 11:48:1170.00.00.00.00 , 0.863649647
2026-01-20 11:51:118-0.1-1.0-8.30.11521.8-45.4-0.67, 0.430.801.113649650
2026-01-20 11:54:119-0.2-2.1-7.80.12922.6-45.8-0.67, 0.440.803.413649653
2026-01-20 11:57:1110-0.3-2.2-7.00.23521.6-45.3-0.67, 0.430.790.003649654
2026-01-20 12:00:3511-0.6-3.6-8.00.36719.4-42.5-0.65, 0.400.760.003649655
2026-01-20 12:03:1112-1.5-4.9-8.30.815021.3-44.8-0.66, 0.420.790.003649658
2026-01-20 12:06:1113-2.5-6.6-8.51.323818.2-40.9-0.63, 0.380.740.003649659
2026-01-20 12:09:1114-3.4-9.2-8.81.731717.9-40.5-0.63, 0.370.730.003649662
2026-01-20 12:12:1115-3.8-10.5-9.32.033218.7-43.9-0.66, 0.380.770.003649663
2026-01-20 12:15:1116-4.5-12.3-10.62.536618.1-41.7-0.64, 0.380.740.003649666
2026-01-20 12:18:1117-5.2-9.8-11.03.043019.9-45.1-0.67, 0.400.790.003649667

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 )