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 13649
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2025-08-25 15:00 UTC)
Last detected dimming:
   0 hours and 59 minutes ago (2025-08-25 14:21 UTC)


Overview for dimming #:
   13649           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

more


Details for dimming #: 13649          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-18 05:12:1110.00.00.00.00 , 0.003503744
2025-08-18 05:15:1120.00.0-10.30.04 , 0.003503745
2025-08-18 05:18:113-1.1-10.9-24.30.247-18.120.10.33, -0.420.530.003503748
2025-08-18 05:21:114-2.8-21.7-27.00.495-17.820.50.34, -0.410.541.303503749
2025-08-18 05:24:115-5.0-27.5-36.00.5132-18.021.20.35, -0.420.541.493503752
2025-08-18 05:27:116-9.3-39.9-44.90.8200-18.320.50.34, -0.420.541.363503753
2025-08-18 05:30:117-13.5-57.9-51.20.9247-18.320.60.34, -0.420.541.123503756
2025-08-18 05:33:118-16.7-67.3-55.71.1282-18.320.60.34, -0.420.540.003503757
2025-08-18 05:36:119-20.7-68.5-54.71.3346-18.221.20.35, -0.420.550.003503762
2025-08-18 05:39:1110-23.9-78.8-54.91.4380-18.121.30.35, -0.420.550.003503763
2025-08-18 05:42:1111-28.0-96.8-58.21.6426-18.021.50.35, -0.420.550.003503764
2025-08-18 05:45:1112-30.5-106.8-59.11.7457-17.921.70.36, -0.420.550.003503765
2025-08-18 05:48:1113-30.3-103.4-59.11.7458-17.921.80.36, -0.420.550.003503768
2025-08-18 05:51:1114-32.1-106.7-58.91.8486-17.822.00.36, -0.410.550.003503769

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 )