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 15421
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2026-04-11 02:03 UTC)
Last detected dimming:
   57 hours and 47 minutes ago (2026-04-08 16:36 UTC)


Overview for dimming #:
   15421           back to overview

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

   base difference ( percentage )
   running difference ( percentage )

more

more

more


Details for dimming #: 15421          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-08 04:54:1110.00.00.00.00 , 0.003727667
2026-04-08 04:57:1120.00.00.00.00 , 0.003727668
2026-04-08 05:00:1130.00.00.00.00 , 0.003727669
2026-04-08 05:03:114-3.0-6.9-6.90.0410-1.13, 0.081.130.003727670
2026-04-08 05:06:115-16.7-15.5-8.50.01776-1.12, 0.071.130.003727671
2026-04-08 05:09:116-26.9-20.7-8.90.02746-1.12, 0.081.132.713727672
2026-04-08 05:12:117-28.0-17.1-9.50.02804-1.12, 0.131.133.623727673
2026-04-08 05:15:118-33.1-14.8-9.70.03311-1.11, 0.141.122.483727674
2026-04-08 05:18:119-39.8-15.9-9.10.04036-1.10, 0.121.113.043727675
2026-04-08 05:21:1110-46.6-19.2-9.70.04376-1.11, 0.131.112.123727676
2026-04-08 05:24:1111-52.1-21.4-10.60.04581-1.11, 0.131.120.003727677
2026-04-08 05:27:1112-56.9-22.2-10.00.05041-1.11, 0.131.120.003727678
2026-04-08 05:30:1113-56.8-22.8-10.30.04886-1.10, 0.121.110.003727679
2026-04-08 05:33:1114-58.6-23.4-11.00.04844-1.10, 0.121.110.003727680
2026-04-08 05:36:1115-63.3-23.6-11.50.05045-1.10, 0.131.110.003727681
2026-04-08 05:39:1116-61.8-23.9-11.70.04855-1.11, 0.131.110.003727682
2026-04-08 05:42:1117-60.8-24.0-12.20.04614-1.10, 0.141.110.003727683
2026-04-08 05:45:1118-62.6-24.4-12.50.04692-1.10, 0.141.110.003727684

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 )