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 15939
Detector 24h operating status:

Last processed image:    
   0 hours and 17 minutes ago (2026-07-11 02:45 UTC)
Last detected dimming:
   10 hours and 8 minutes ago (2026-07-10 16:54 UTC)


Overview for dimming #:
   15939           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 #: 15939          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-07-08 19:21:1110.00.00.00.00 , 0.003814199
2026-07-08 19:24:1120.00.00.00.00 , 0.003814202
2026-07-08 19:27:1130.00.00.00.00 , 0.003814203
2026-07-08 19:30:1140.00.00.00.00 , 0.003814207
2026-07-08 19:33:1150.00.00.00.00 , 0.003814208
2026-07-08 19:36:1160.00.00.00.00 , 2.763814209
2026-07-08 19:39:117-0.10.0-18.70.04 , 0.003814211
2026-07-08 19:42:118-0.8-7.4-20.10.137-16.323.00.38, -0.340.510.003814214
2026-07-08 19:45:119-1.5-12.0-20.40.368-16.422.90.38, -0.340.510.003814215
2026-07-08 19:48:1110-1.1-9.9-20.70.246-16.422.90.38, -0.340.510.003814218
2026-07-08 19:51:1111-1.5-12.2-22.10.265-16.423.00.38, -0.340.510.003814219
2026-07-08 19:54:1112-1.3-11.4-21.60.266-16.323.10.38, -0.340.510.003814222
2026-07-08 19:57:1113-2.0-15.1-21.50.393-16.422.90.38, -0.340.510.003814223
2026-07-08 20:00:1114-2.6-16.9-16.90.5120-16.422.80.38, -0.340.510.003814226

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 )