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 14637
Detector 24h operating status:

Last processed image:    
   0 hours and 25 minutes ago (2026-03-12 12:06 UTC)
Last detected dimming:
   3 hours and 22 minutes ago (2026-03-12 09:09 UTC)


Overview for dimming #:
   14637           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 #: 14637          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-11 00:54:1110.00.00.00.00 , 0.003612257
2025-12-11 00:57:1120.00.00.00.00 , 0.003612258
2025-12-11 01:00:113-1.8-18.3-30.00.265 , 0.003612261
2025-12-11 01:03:114-5.0-22.3-10.11.1340-13.123.30.39, -0.220.450.003612262
2025-12-11 01:06:115-10.0-27.8-11.12.3697-13.023.30.39, -0.220.452.073612265
2025-12-11 01:09:116-15.6-33.5-13.63.0929-13.023.00.39, -0.220.441.313612266
2025-12-11 01:12:117-17.8-36.3-14.83.2969-13.023.10.39, -0.220.450.003612270
2025-12-11 01:15:118-18.7-36.7-15.53.2989-13.123.00.39, -0.220.450.003612271
2025-12-11 01:18:119-20.1-36.7-16.53.31022-13.122.70.38, -0.220.440.003612273
2025-12-11 01:21:1110-20.8-36.1-16.13.41052-13.222.10.37, -0.230.430.003612274
2025-12-11 01:24:1111-21.2-33.7-15.33.61093-13.521.10.35, -0.230.420.003612278
2025-12-11 01:27:1112-20.1-32.1-14.73.51065-13.520.70.35, -0.230.420.003612279
2025-12-11 01:30:1113-20.4-32.0-15.23.41048-13.719.80.33, -0.230.410.003612283
2025-12-11 01:33:1114-19.8-31.4-15.33.31014-13.819.20.32, -0.240.400.003612284

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 )