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 15855
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2026-07-12 11:18 UTC)
Last detected dimming:
   0 hours and 43 minutes ago (2026-07-12 10:54 UTC)


Overview for dimming #:
   15855           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 #: 15855          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-06-28 20:06:1110.00.00.00.00 , 0.003804739
2026-06-28 20:09:1120.00.00.00.00 , 0.003804740
2026-06-28 20:12:1130.00.00.00.00 , 0.003804743
2026-06-28 20:15:114-0.6-4.3-18.20.132 , 0.003804744
2026-06-28 20:18:115-2.5-21.8-18.10.410722.0-3.4-0.06, 0.340.340.003804747
2026-06-28 20:21:116-3.4-29.6-20.30.411921.8-3.7-0.06, 0.330.341.023804748
2026-06-28 20:24:117-4.1-32.8-20.60.514621.8-3.7-0.06, 0.330.340.003804751
2026-06-28 20:27:118-5.6-33.6-19.60.822321.9-3.6-0.06, 0.330.340.003804752
2026-06-28 20:30:119-8.1-35.5-20.61.133521.9-3.5-0.06, 0.340.340.003804755
2026-06-28 20:33:1110-8.8-35.9-22.91.234721.9-3.5-0.06, 0.330.340.003804756
2026-06-28 20:36:1111-8.3-37.3-24.21.030021.9-3.6-0.06, 0.340.340.863804759
2026-06-28 20:39:1112-8.1-38.9-27.10.927021.9-3.6-0.06, 0.330.340.003804760
2026-06-28 20:42:1113-8.0-37.8-29.40.824821.9-3.6-0.06, 0.330.340.003804763
2026-06-28 20:45:1114-6.7-35.4-30.40.719621.9-3.6-0.06, 0.330.340.003804764

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 )