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 15919
Detector 24h operating status:

Last processed image:    
   0 hours and 21 minutes ago (2026-07-22 02:03 UTC)
Last detected dimming:
   0 hours and 33 minutes ago (2026-07-22 01:51 UTC)


Overview for dimming #:
   15919           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 #: 15919          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-07-05 00:45:1110.00.00.00.00 , 0.003810672
2026-07-05 00:48:1120.00.00.00.00 , 0.003810673
2026-07-05 00:51:113-0.1-0.6-11.10.09 , 0.003810676
2026-07-05 00:54:114-0.8-7.4-12.90.059-1.14, -0.151.150.003810677
2026-07-05 00:57:115-1.3-10.9-14.30.084-1.14, -0.161.151.993810678
2026-07-05 01:00:116-2.2-14.8-13.20.0137-1.15, -0.151.161.853810681
2026-07-05 01:03:117-3.0-18.3-14.60.0164-1.15, -0.141.160.003810683
2026-07-05 01:06:118-4.4-23.1-15.50.0226-1.15, -0.141.160.003810684
2026-07-05 01:09:359-5.3-26.3-16.80.0251-1.15, -0.141.160.003810685
2026-07-05 01:12:1110-6.5-29.2-16.40.0284-1.15, -0.141.160.003810688
2026-07-05 01:15:1111-7.3-32.2-18.60.0293-1.15, -0.141.160.003810691
2026-07-05 01:18:1112-8.8-36.1-19.10.0328-1.15, -0.141.160.003810692
2026-07-05 01:21:1113-14.9-40.0-13.30.0705-1.15, -0.141.150.003810693
2026-07-05 01:24:1114-17.1-44.0-13.10.0801-1.15, -0.141.150.003810697

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 )