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 14912
Detector 24h operating status:

Last processed image:    
   0 hours and 25 minutes ago (2026-03-12 12:06 UTC)
Last detected dimming:
   3 hours and 22 minutes ago (2026-03-12 09:09 UTC)


Overview for dimming #:
   14912           back to overview

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

   base difference ( percentage )
   running difference ( percentage )

more

more

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Details for dimming #: 14912          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-01-21 22:36:1110.00.0-7.60.05 , 0.003651039
2026-01-21 22:39:112-4.0-15.7-11.10.03011.05, 0.261.080.003651042
2026-01-21 22:42:113-10.0-25.8-12.50.06491.04, 0.261.080.003651043
2026-01-21 22:45:114-17.3-36.0-13.00.010381.04, 0.261.080.893651046
2026-01-21 22:48:115-24.8-42.9-13.70.013521.04, 0.261.071.183651047
2026-01-21 22:51:116-31.0-48.4-14.00.015921.04, 0.261.071.263651052
2026-01-21 22:54:117-36.1-51.3-14.90.017631.04, 0.261.071.133651053
2026-01-21 22:57:118-40.1-53.4-15.10.019131.04, 0.261.071.023651054
2026-01-21 23:00:119-44.1-54.1-14.70.021481.04, 0.261.070.003651055
2026-01-21 23:03:1110-46.8-54.8-14.90.022331.04, 0.261.070.003651058
2026-01-21 23:06:1111-49.2-55.7-14.60.023611.04, 0.261.070.003651059
2026-01-21 23:09:1112-49.5-54.0-14.50.024211.04, 0.261.070.003651061
2026-01-21 23:12:1113-50.4-53.8-14.60.024781.04, 0.261.070.003651062
2026-01-21 23:15:1114-48.6-52.3-14.20.024521.04, 0.261.080.003651064
2026-01-21 23:18:1115-47.0-49.7-14.40.024161.04, 0.261.070.003651065
2026-01-21 23:21:1116-45.1-48.4-14.50.023501.04, 0.261.070.003651072

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 )