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 15143
Detector 24h operating status:

Last processed image:    
   0 hours and 19 minutes ago (2026-02-28 12:18 UTC)
Last detected dimming:
   1 hours and 27 minutes ago (2026-02-28 11:09 UTC)


Overview for dimming #:
   15143           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

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Details for dimming #: 15143          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-02-24 12:57:1110.00.00.00.00 , 0.003679366
2026-02-24 13:00:1120.00.00.00.00 , 0.003679367
2026-02-24 13:03:113-1.5-10.8-11.90.0118 , 0.003679368
2026-02-24 13:06:114-3.8-14.4-12.40.0290-1.02, -0.561.170.003679369
2026-02-24 13:09:115-6.6-15.6-11.90.0512-1.03, -0.561.170.003679370
2026-02-24 13:12:116-9.4-17.1-11.20.0737-1.03, -0.571.182.863679371
2026-02-24 13:15:117-11.9-18.3-11.40.0912-1.03, -0.561.173.133679372
2026-02-24 13:18:118-15.4-19.8-11.10.21197-1.03, -0.551.170.933679373
2026-02-24 13:21:119-19.9-21.6-9.70.51599-1.02, -0.551.160.843679374
2026-02-24 13:24:1110-23.2-22.7-10.00.11818-1.02, -0.551.160.003679375
2026-02-24 13:27:1111-25.6-24.5-10.40.01962-1.02, -0.551.160.003679376
2026-02-24 13:30:1112-26.7-25.5-10.60.02012-1.02, -0.561.160.003679377
2026-02-24 13:33:1113-28.3-26.1-10.70.02125-1.02, -0.561.160.003679378
2026-02-24 13:36:1114-29.3-27.3-11.20.02177-1.02, -0.561.170.003679379
2026-02-24 13:39:1115-29.7-27.9-11.00.02211-1.02, -0.561.170.003679380
2026-02-24 13:42:1116-31.3-27.5-11.00.02331-1.02, -0.561.160.003679381
2026-02-24 13:45:1117-34.1-28.4-10.80.02553-1.01, -0.561.160.003679382

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 )