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 15922
Detector 24h operating status:

Last processed image:    
   0 hours and 19 minutes ago (2026-07-16 10:51 UTC)
Last detected dimming:
   31 hours and 49 minutes ago (2026-07-15 03:21 UTC)


Overview for dimming #:
   15922           back to overview

Animations and graphs
   derotated original images ( non-derotated )
   dimming intensity
   dimming mask

   base difference ( percentage )
   running difference ( percentage )

more

more

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Details for dimming #: 15922          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-07-05 14:39:112-0.3-1.9-10.10.0251.22, 0.021.220.003811224
2026-07-05 14:42:113-5.0-13.1-12.40.03911.24, 0.051.240.003811227
2026-07-05 14:45:114-8.6-13.0-13.30.05961.18, -0.041.1824.103811228
2026-07-05 14:48:115-9.5-14.9-13.00.06681.19, 0.041.191.523811231
2026-07-05 14:51:116-11.6-16.3-13.30.08031.19, 0.061.190.883811232
2026-07-05 14:54:117-15.8-21.0-13.10.010591.18, 0.001.181.273811235
2026-07-05 14:57:118-18.4-24.4-13.50.011941.18, 0.001.180.003811236
2026-07-05 15:00:119-20.0-24.4-14.90.012331.19, 0.011.192.053811239
2026-07-05 15:03:3510-23.1-23.9-15.70.013501.19, 0.031.192.033811240
2026-07-05 15:06:1111-25.8-25.0-15.80.014651.19, 0.041.190.003811243
2026-07-05 15:09:1112-33.4-25.8-15.70.019251.20, 0.061.200.003811244
2026-07-05 15:12:1113-38.7-27.4-15.30.022511.20, 0.081.200.003811247
2026-07-05 15:15:1114-45.5-28.5-16.00.025611.20, 0.071.201.173811248
2026-07-05 15:18:1115-50.7-29.2-16.60.027481.19, 0.051.200.003811251
2026-07-05 15:21:1116-59.9-30.4-16.10.032641.20, 0.051.201.483811252
2026-07-05 15:24:1117-63.3-31.3-16.20.034241.20, 0.041.200.003811255
2026-07-05 15:27:1118-66.6-31.7-16.10.035921.20, 0.041.200.003811256

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 )