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 15615
Detector 24h operating status:

Last processed image:    
   0 hours and 22 minutes ago (2026-06-15 13:24 UTC)
Last detected dimming:
   4 hours and 15 minutes ago (2026-06-15 09:30 UTC)


Overview for dimming #:
   15615           back to overview

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

   base difference ( percentage )
   running difference ( percentage )

more
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Details for dimming #: 15615          
timeseq #total
intensity		max
intensity		median
intensity		areasizelatlonx,y in R☉dist.
R☉		detectionImg ID
2026-05-21 19:36:1110.00.00.00.00 , 0.003768418
2026-05-21 19:39:1120.00.00.00.00 , 0.003768419
2026-05-21 19:42:1130.00.00.00.00 , 0.003768422
2026-05-21 19:45:1140.00.00.00.00 , 0.003768423
2026-05-21 19:48:1150.00.00.00.00 , 0.003768426
2026-05-21 19:51:1160.00.00.00.00 , 8.333768427
2026-05-21 19:54:1170.00.00.00.00 , 8.973768430
2026-05-21 19:57:1180.00.00.00.00 , 7.163768431
2026-05-21 20:00:119-0.6-6.0-17.60.035-1.08, -0.201.103.853768434
2026-05-21 20:03:1110-0.9-9.0-15.00.064-1.09, -0.191.111.613768435
2026-05-21 20:06:1111-1.4-10.9-14.00.093-1.09, -0.201.100.003768438
2026-05-21 20:09:1112-1.6-11.7-14.00.0106-1.09, -0.191.100.003768439
2026-05-21 20:12:1113-2.0-13.3-14.20.0132-1.09, -0.191.100.003768442
2026-05-21 20:15:1114-2.1-14.2-15.10.0136-1.09, -0.191.110.003768443
2026-05-21 20:18:1115-2.2-14.8-14.10.0150-1.09, -0.191.110.003768446
2026-05-21 20:21:1116-2.5-15.0-13.60.0172-1.09, -0.191.100.003768447
2026-05-21 20:24:1117-2.5-15.5-14.60.0160-1.09, -0.191.100.003768450
2026-05-21 20:27:1118-2.8-16.6-14.50.0180-1.09, -0.191.110.003768451
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 )