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 15339
Detector 24h operating status:

Last processed image:    
   0 hours and 22 minutes ago (2026-04-23 00:03 UTC)
Last detected dimming:
   1 hours and 55 minutes ago (2026-04-22 22:30 UTC)


Overview for dimming #:
   15339           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 #: 15339          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-01 14:51:1110.00.00.00.00 , 1.003715609
2026-04-01 14:54:1120.00.00.00.00 , 0.003715610
2026-04-01 14:57:1130.00.00.00.00 , 0.003715611
2026-04-01 15:00:1140.00.00.00.00 , 0.003715612
2026-04-01 15:03:1150.00.00.00.00 , 0.003715615
2026-04-01 15:06:1160.00.00.00.00 , 2.343715616
2026-04-01 15:09:1170.00.00.00.00 , 0.003715619
2026-04-01 15:12:1180.00.00.00.00 , 0.003715620
2026-04-01 15:15:1190.00.00.00.00 , 0.003715625
2026-04-01 15:18:1110-0.5-5.7-11.00.1362.1-25.0-0.43, 0.140.450.003715626
2026-04-01 15:21:1111-0.7-5.4-13.20.14413.98.60.15, 0.350.380.843715627
2026-04-01 15:24:1112-1.3-6.9-11.70.38513.47.80.13, 0.340.370.003715628
2026-04-01 15:27:1113-2.3-10.5-11.70.616813.68.00.14, 0.350.370.003715631
2026-04-01 15:30:1114-2.5-11.5-12.20.617213.17.30.12, 0.340.360.003715632

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 )