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 20803
Detector 14 day operating status:

Last detected dimming:
   216 hours and 11 minutes ago (2025-12-05 23:57 UTC)


Overview for dimming #:
   20803           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 #: 20803          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-20 09:53:5910.00.00.00.00 , 0.008698378
2025-11-20 09:55:5920.00.00.00.00 , 0.008698379
2025-11-20 09:57:593-0.2-1.1-17.10.09-26.0-35.1-0.52, -0.470.700.008698380
2025-11-20 09:59:594-0.10.0-16.80.05 , 0.008698381
2025-11-20 10:01:5950.00.00.00.00 , 0.008698382
2025-11-20 10:03:596-0.4-4.5-22.00.119 , 0.008698383
2025-11-20 10:05:597-1.0-10.9-27.10.237-25.7-35.6-0.53, -0.470.710.008698384
2025-11-20 10:07:598-1.7-13.2-20.50.369-25.0-38.9-0.58, -0.460.730.008698385
2025-11-20 10:09:599-3.3-14.3-22.70.5119-24.7-40.3-0.59, -0.450.754.718698386
2025-11-20 10:11:5910-6.1-27.5-22.11.0214-24.7-41.4-0.61, -0.450.763.088698387
2025-11-20 10:13:5911-14.8-79.6-22.31.8393-24.3-41.0-0.60, -0.440.755.028698388
2025-11-20 10:15:5912-24.0-103.5-23.72.8619-24.4-40.8-0.60, -0.440.753.248698389
2025-11-20 10:17:5913-35.4-144.4-26.33.4741-24.1-40.6-0.60, -0.440.744.248698390
2025-11-20 10:19:5914-36.6-150.1-24.23.6783-24.1-41.1-0.61, -0.440.752.288698391
2025-11-20 10:21:5915-37.4-151.0-24.53.6789-24.0-41.1-0.61, -0.440.750.008698392
2025-11-20 10:23:5916-36.7-143.9-24.43.7790-24.1-41.1-0.61, -0.440.750.008698393
2025-11-20 10:25:5917-37.9-146.6-25.13.7796-24.1-41.1-0.61, -0.440.750.008698394
2025-11-20 10:27:5918-37.9-142.6-23.33.9841-24.2-41.1-0.61, -0.440.750.008698395
2025-11-20 10:29:5919-38.6-135.9-23.64.0868-24.2-41.1-0.61, -0.440.750.008698396
2025-11-20 10:31:5920-38.2-122.3-22.84.2900-24.2-41.2-0.61, -0.440.750.878698397
2025-11-20 10:33:5921-37.7-127.2-21.84.2902-24.2-41.2-0.61, -0.440.751.418698398
2025-11-20 10:35:5922-36.2-107.8-21.14.3922-24.2-41.3-0.61, -0.440.751.018698399
2025-11-20 10:37:5923-37.9-113.6-20.34.6993-24.3-41.2-0.61, -0.440.750.008698400
2025-11-20 10:39:5924-37.9-107.2-19.04.91070-24.5-41.2-0.61, -0.450.750.008698401
2025-11-20 10:41:5925-36.3-98.8-19.54.71027-24.6-41.2-0.61, -0.450.750.008698402

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 )