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 13474
Detector 24h operating status:

Last processed image:    
   0 hours and 22 minutes ago (2025-08-04 13:33 UTC)
Last detected dimming:
   1 hours and 48 minutes ago (2025-08-04 12:06 UTC)


Overview for dimming #:
   13474           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 #: 13474          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-07-31 23:24:1110.00.00.00.00 , 0.003487390
2025-07-31 23:27:1120.00.00.00.00 , 0.003487393
2025-07-31 23:30:1130.00.00.00.00 , 0.003487394
2025-07-31 23:33:114-0.10.0-9.80.0514.611.00.19, 0.160.240.003487397
2025-07-31 23:36:115-1.7-9.1-14.70.411213.711.70.20, 0.140.250.003487398
2025-07-31 23:39:116-3.0-10.4-14.10.618912.712.50.21, 0.120.253.963487401
2025-07-31 23:42:117-5.1-13.8-11.51.132912.912.40.21, 0.130.250.003487402
2025-07-31 23:45:118-6.8-20.8-12.81.237813.012.10.21, 0.130.244.313487405
2025-07-31 23:48:119-8.2-22.8-13.71.339513.511.20.19, 0.140.240.003487406
2025-07-31 23:51:1110-10.6-25.5-13.71.851013.511.10.19, 0.140.230.003487409
2025-07-31 23:54:1111-10.4-25.1-13.51.748113.610.90.19, 0.140.230.003487410
2025-07-31 23:57:1112-12.9-28.5-12.52.261713.611.00.19, 0.140.230.003487413
2025-08-01 00:00:1113-12.4-46.6-11.72.054513.710.70.18, 0.140.230.003487414
2025-08-01 00:03:1114-11.1-32.9-12.42.051713.411.40.20, 0.140.240.003487417
2025-08-01 00:06:1115-10.8-23.7-12.52.054912.912.00.21, 0.130.240.003487418
2025-08-01 00:09:1116-12.2-24.4-12.22.36354.5-54.0-0.82, 0.020.821.143487421

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 )