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 15404
Detector 24h operating status:

Last processed image:    
   0 hours and 21 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 #:
   15404           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 #: 15404          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-04 00:27:1110.00.00.00.00 , 0.003725662
2026-04-04 00:30:1120.00.00.00.00 , 0.003725663
2026-04-04 00:33:1130.00.00.00.00 , 0.003725664
2026-04-04 00:36:1140.00.00.00.00 , 0.003725665
2026-04-04 00:39:1150.00.00.00.00 , 0.003725666
2026-04-04 00:42:1160.00.00.00.00 , 3.213725667
2026-04-04 00:45:117-0.3-2.1-24.30.011-5.88.20.14, 0.010.144.923725668
2026-04-04 00:48:118-0.9-8.2-13.10.262-5.78.10.14, 0.010.141.633725669
2026-04-04 00:51:119-1.4-11.4-14.10.381-5.67.90.14, 0.010.140.003725670
2026-04-04 00:54:1110-1.7-12.2-12.90.3103-5.67.90.14, 0.010.140.003725671
2026-04-04 00:57:1111-1.9-13.1-13.00.4118-5.67.90.14, 0.010.140.003725672
2026-04-04 01:00:1112-1.9-12.8-11.70.4120-5.57.80.14, 0.010.140.933725673
2026-04-04 01:03:1113-2.2-13.9-10.40.4139-5.57.80.14, 0.010.140.003725674
2026-04-04 01:06:1114-2.8-14.7-11.10.6177-5.57.80.14, 0.010.140.003725675
2026-04-04 01:09:1115-2.6-14.4-11.40.5163-5.57.80.14, 0.010.140.003725676

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 )