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 14640
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2025-12-15 06:30 UTC)
Last detected dimming:
   1 hours and 31 minutes ago (2025-12-15 05:18 UTC)


Overview for dimming #:
   14640           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 #: 14640          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-11 20:57:1110.00.00.00.00 , 0.003613058
2025-12-11 21:00:3520.00.00.00.00 , 0.003613061
2025-12-11 21:03:1130.00.00.00.00 , 0.003613062
2025-12-11 21:06:114-0.6-3.2-10.80.134 , 0.003613065
2025-12-11 21:09:115-2.5-9.4-8.60.6183-11.1-12.9-0.22, -0.190.290.003613066
2025-12-11 21:12:116-3.9-10.6-8.21.0340-8.2-9.8-0.17, -0.140.223.223613067
2025-12-11 21:15:117-7.3-11.7-8.92.1685-7.7-6.0-0.10, -0.130.161.913613068
2025-12-11 21:18:118-10.0-14.3-9.62.7878-7.9-5.1-0.09, -0.130.160.003613073
2025-12-11 21:21:119-10.5-15.1-10.22.8918-7.7-3.6-0.06, -0.130.140.003613074
2025-12-11 21:24:1110-11.7-16.0-10.73.0987-7.6-3.4-0.06, -0.130.140.003613078
2025-12-11 21:27:1111-14.0-18.5-11.13.51154-7.9-3.6-0.06, -0.130.150.003613079
2025-12-11 21:30:1112-16.0-19.7-11.43.81268-8.0-4.3-0.08, -0.130.150.003613083
2025-12-11 21:33:1113-17.7-22.3-11.74.11362-7.9-3.9-0.07, -0.130.150.003613084
2025-12-11 21:36:1114-19.9-24.8-12.14.41470-7.9-4.3-0.07, -0.130.150.003613085
2025-12-11 21:39:1115-20.9-25.6-11.94.61529-7.9-4.7-0.08, -0.130.150.003613086

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 )