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 13435
Detector 24h operating status:

Last processed image:    
   0 hours and 19 minutes ago (2025-08-04 13:33 UTC)
Last detected dimming:
   1 hours and 46 minutes ago (2025-08-04 12:06 UTC)


Overview for dimming #:
   13435           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 #: 13435          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-07-28 17:42:1110.00.00.00.00 , 0.003484541
2025-07-28 17:45:1120.00.00.00.00 , 0.003484542
2025-07-28 17:48:113-0.5-2.0-81.90.05 , 0.003484545
2025-07-28 17:51:2340.00.00.00.00 , 0.003484546
2025-07-28 17:54:115-3.8-22.5-15.70.7214-5.39.10.16, -0.190.250.003484549
2025-07-28 17:57:116-7.5-31.8-15.91.2370-5.19.20.16, -0.190.258.803484551
2025-07-28 18:00:117-8.5-33.5-18.41.3411-5.19.30.16, -0.190.253.703484552
2025-07-28 18:03:118-15.3-33.2-16.42.4680-5.19.30.16, -0.180.250.903484553
2025-07-28 18:06:119-17.7-39.8-18.02.6734-6.58.70.15, -0.210.260.003484557
2025-07-28 18:09:1110-17.2-30.3-17.82.6732-7.38.30.15, -0.220.270.003484560
2025-07-28 18:12:1111-17.5-27.3-17.82.6738-8.27.90.14, -0.240.280.003484561
2025-07-28 18:15:4712-16.4-30.5-18.62.2629-9.47.40.13, -0.260.290.003484562
2025-07-28 18:18:1113-17.6-30.3-18.52.2626-11.06.70.12, -0.290.310.003484565
2025-07-28 18:21:1114-17.5-34.4-20.52.0561-11.46.50.11, -0.290.320.003484566
2025-07-28 18:24:1115-11.7-31.0-22.11.5451-11.66.40.11, -0.300.320.003484569
2025-07-28 18:27:1116-11.2-31.6-22.11.5438-11.96.30.11, -0.300.320.003484572

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 )