Solar Demon Dimming Detection (sc)

Science! running on SDO/AIA 211 Synoptic data
2 minute cadence, typical delay 7 days
(detection version 1.00)
(view all Solar Demon detection tools)

Overview of dimming 20428
Detector 14 day operating status:

Last detected dimming:
   211 hours and 15 minutes ago (2025-10-24 20:53 UTC)


Overview for dimming #:
   20428           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 #: 20428          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-10-12 11:59:5910.00.00.00.00 , 0.008642483
2025-10-12 12:01:5920.00.00.00.00 , 0.008642484
2025-10-12 12:03:5930.00.00.00.00 , 0.008642485
2025-10-12 12:05:5940.00.00.00.00 , 0.008642486
2025-10-12 12:07:5950.00.00.00.00 , 0.008642487
2025-10-12 12:09:596-1.1-11.9-23.10.249 , 0.008642488
2025-10-12 12:11:597-1.8-17.9-27.50.270 , 0.008642489
2025-10-12 12:13:598-2.3-21.9-31.00.38019.410.40.17, 0.230.291.688642490
2025-10-12 12:15:599-3.1-25.6-24.40.411319.310.40.17, 0.230.292.558642491
2025-10-12 12:17:5910-4.0-29.7-24.80.413619.310.40.17, 0.230.291.928642492
2025-10-12 12:19:5911-4.7-35.1-21.60.515319.210.50.17, 0.230.290.008642493
2025-10-12 12:21:5912-5.4-37.3-21.70.619019.210.40.17, 0.230.290.008642494
2025-10-12 12:23:5913-8.1-40.8-18.41.133219.210.50.17, 0.230.293.488642495
2025-10-12 12:25:5914-9.0-42.4-17.61.238519.210.50.17, 0.230.290.008642496
2025-10-12 12:27:5915-10.0-43.8-18.11.341519.210.50.17, 0.230.290.008642497
2025-10-12 12:29:5916-13.9-46.0-19.51.753019.611.60.19, 0.240.310.008642498
2025-10-12 12:31:5917-14.2-46.9-20.11.752319.611.60.19, 0.240.311.748642499
2025-10-12 12:33:5918-13.1-47.6-18.91.85563.3-17.2-0.30, -0.040.301.528642500
2025-10-12 12:35:5919-17.7-50.1-19.72.26803.8-17.2-0.30, -0.030.301.948642501
2025-10-12 12:37:5920-19.3-51.6-20.62.47293.4-17.1-0.30, -0.040.302.988642502
2025-10-12 12:39:5921-23.3-53.9-21.02.78363.6-17.1-0.30, -0.040.301.048642503
2025-10-12 12:41:5922-29.3-56.0-20.33.410503.9-18.5-0.32, -0.030.320.008642504
2025-10-12 12:43:5923-34.2-57.3-20.33.811763.7-18.3-0.32, -0.040.326.368642505
2025-10-12 12:45:5924-38.5-58.4-20.14.413653.7-17.4-0.30, -0.040.3011.068642506
2025-10-12 12:47:5925-41.2-60.3-19.54.915014.0-17.9-0.31, -0.030.311.118642507
2025-10-12 12:49:5926-43.8-61.5-19.05.215873.7-17.2-0.30, -0.040.301.368642508
2025-10-12 12:51:5927-42.7-62.5-18.95.115693.6-17.1-0.30, -0.040.300.888642509
2025-10-12 12:53:5928-41.9-62.3-19.84.914943.7-17.1-0.30, -0.040.300.008642510
2025-10-12 12:55:5929-38.5-63.0-19.34.814694.0-17.1-0.30, -0.030.300.008642511
2025-10-12 12:57:5930-37.7-64.9-18.05.015514.3-17.1-0.30, -0.030.300.008642512
2025-10-12 12:59:5931-39.4-65.6-18.55.316204.2-17.1-0.30, -0.030.300.008642513
2025-10-12 13:01:5932-40.5-66.3-19.25.316164.7-18.0-0.31, -0.020.310.008642514
2025-10-12 13:03:5933-42.0-65.8-19.85.416504.3-19.1-0.33, -0.030.330.008642515
2025-10-12 13:05:5934-43.6-66.9-19.65.617174.3-17.7-0.31, -0.030.310.008642516
2025-10-12 13:07:5935-42.5-66.7-19.35.616974.6-18.5-0.32, -0.020.320.008642517
2025-10-12 13:09:5936-42.3-66.5-19.55.516904.6-17.2-0.30, -0.020.300.008642518

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 )