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 15921
Detector 24h operating status:

Last processed image:    
   0 hours and 25 minutes ago (2026-07-11 17:45 UTC)
Last detected dimming:
   25 hours and 15 minutes ago (2026-07-10 16:54 UTC)


Overview for dimming #:
   15921           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 #: 15921          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-07-05 13:15:1110.00.00.00.00 , 0.003811171
2026-07-05 13:18:1120.00.00.00.00 , 0.003811172
2026-07-05 13:21:1130.00.00.00.00 , 0.003811175
2026-07-05 13:24:1140.00.00.00.00 , 0.003811176
2026-07-05 13:27:115-0.8-7.0-15.50.052 , 0.003811179
2026-07-05 13:30:116-3.4-16.2-18.10.01931.23, 0.201.242.133811180
2026-07-05 13:33:117-6.7-18.3-16.50.03961.24, 0.181.251.383811183
2026-07-05 13:36:118-11.6-21.7-15.90.06831.24, 0.191.257.213811184
2026-07-05 13:39:119-13.1-24.9-16.60.07241.24, 0.181.251.893811187
2026-07-05 13:42:1110-14.9-27.5-17.30.07821.23, 0.191.250.003811188
2026-07-05 13:45:1111-17.7-30.2-18.30.08881.24, 0.181.250.003811191
2026-07-05 13:48:1112-22.7-32.7-18.00.011231.24, 0.181.250.003811192
2026-07-05 13:51:1113-29.5-34.5-17.90.014391.23, 0.171.250.003811195
2026-07-05 13:54:1114-37.3-36.2-15.70.019041.23, 0.161.240.003811196
2026-07-05 13:57:1115-41.4-37.0-16.90.020101.23, 0.151.240.003811199
2026-07-05 14:00:1116-46.4-38.4-17.00.022081.23, 0.161.240.003811200

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 )