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 15484
Detector 24h operating status:

Last processed image:    
   0 hours and 15 minutes ago (2026-04-26 09:48 UTC)
Last detected dimming:
   0 hours and 30 minutes ago (2026-04-26 09:33 UTC)


Overview for dimming #:
   15484           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 #: 15484          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-25 00:24:1110.00.00.00.00 , 0.003742699
2026-04-25 00:27:1120.00.00.00.00 , 0.003742702
2026-04-25 00:30:1130.00.00.00.00 , 0.003742703
2026-04-25 00:33:1140.00.00.00.00 , 0.973742706
2026-04-25 00:36:1150.00.00.00.00 , 0.003742707
2026-04-25 00:39:116-0.1-0.7-20.40.0622.4-16.8-0.27, 0.460.533.923742711
2026-04-25 00:42:117-0.4-3.6-14.50.12522.3-17.0-0.27, 0.460.531.543742712
2026-04-25 00:45:118-1.1-9.4-17.90.25019.1-17.4-0.29, 0.410.500.993742714
2026-04-25 00:48:119-1.8-13.3-12.40.49921.5-16.8-0.27, 0.440.520.003742715
2026-04-25 00:51:1110-1.9-12.0-11.50.412122.3-17.1-0.28, 0.460.530.003742718
2026-04-25 00:54:1111-2.1-11.9-11.70.513020.5-17.0-0.28, 0.430.511.803742719
2026-04-25 00:57:1112-1.7-8.5-11.40.411621.5-17.2-0.28, 0.450.530.003742722
2026-04-25 01:00:1113-2.6-13.9-13.30.615122.3-17.3-0.28, 0.460.540.003742723
2026-04-25 01:03:1114-2.4-15.4-13.50.512721.5-17.3-0.28, 0.450.530.003742726

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 )