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 20816
Detector 14 day operating status:

Last detected dimming:
   199 hours and 11 minutes ago (2025-12-06 23:37 UTC)


Overview for dimming #:
   20816           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 #: 20816          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-22 13:05:591-2.2-16.8-19.80.399 , 0.008701353
2025-11-22 13:07:592-0.10.0-26.20.03 , 0.008701354
2025-11-22 13:09:5930.00.00.00.00 , 0.008701355
2025-11-22 13:11:5940.00.00.00.00 , 0.008701356
2025-11-22 13:13:5950.00.00.00.00 , 0.008701357
2025-11-22 13:15:5960.00.00.00.00 , 0.008701358
2025-11-22 13:17:597-0.70.0-140.50.05-19.5-7.4-0.12, -0.370.390.008701359
2025-11-22 13:19:598-3.6-12.6-13.20.5166-19.0-7.9-0.13, -0.360.382.288701360
2025-11-22 13:21:599-3.6-11.1-13.60.7219-15.9-6.9-0.12, -0.310.337.228701361
2025-11-22 13:23:5910-6.0-32.9-13.60.8249-13.2-3.3-0.06, -0.270.272.698701362
2025-11-22 13:25:5911-9.2-61.7-20.10.7218-14.1-3.9-0.07, -0.280.292.258701363
2025-11-22 13:27:5912-10.7-64.6-24.60.7224-14.0-3.8-0.06, -0.280.293.458701364
2025-11-22 13:29:5913-13.5-66.6-19.21.2381-13.7-3.5-0.06, -0.270.282.128701365
2025-11-22 13:31:5914-15.3-70.8-21.11.3410-14.1-3.9-0.07, -0.280.290.008701366
2025-11-22 13:33:5915-17.9-79.9-23.31.4442-14.6-3.9-0.07, -0.290.302.988701367
2025-11-22 13:35:5916-21.0-80.7-22.41.7552-14.7-4.2-0.07, -0.290.304.808701368
2025-11-22 13:37:5917-30.0-82.8-24.52.5785-15.6-4.4-0.08, -0.310.315.558701369
2025-11-22 13:39:5918-36.0-101.8-26.12.8878-15.2-4.6-0.08, -0.300.315.678701370
2025-11-22 13:41:5919-38.7-91.0-25.93.2998-15.4-4.8-0.08, -0.300.316.638701371
2025-11-22 13:43:5920-41.8-90.7-26.33.51120-15.4-4.7-0.08, -0.300.314.448701372
2025-11-22 13:45:5921-39.8-64.5-27.93.41077-15.9-5.2-0.09, -0.310.321.788701373
2025-11-22 13:47:5922-40.5-43.0-21.74.01260-15.8-6.3-0.11, -0.310.331.178701374
2025-11-22 13:49:5923-42.7-36.9-19.54.41397-15.9-6.7-0.11, -0.310.330.008701375
2025-11-22 13:51:5924-41.7-32.5-17.75.21614-16.3-8.0-0.14, -0.320.340.008701376
2025-11-22 13:53:5925-43.4-35.7-17.55.61743-16.6-8.1-0.14, -0.320.350.008701377
2025-11-22 13:55:5926-44.1-31.4-16.76.01878-16.5-8.0-0.13, -0.320.350.008701378
2025-11-22 13:57:5927-45.0-30.2-17.36.21926-16.6-8.0-0.13, -0.320.350.008701379
2025-11-22 13:59:5928-45.6-38.6-17.66.31965-16.6-7.7-0.13, -0.320.350.008701380
2025-11-22 14:01:5929-47.0-44.9-17.36.72076-16.8-7.5-0.13, -0.330.350.008701381
2025-11-22 14:03:5930-50.8-57.0-17.36.92301-17.1-7.6-0.13, -0.330.350.008701382
2025-11-22 14:05:5931-49.6-60.0-17.67.02245-17.4-7.3-0.12, -0.330.360.008701383
2025-11-22 14:07:5932-49.9-62.7-17.26.82304-18.0-7.0-0.12, -0.350.360.008701384
2025-11-22 14:09:5933-45.8-69.6-18.16.62016-18.6-6.9-0.12, -0.360.370.008701385
2025-11-22 14:11:5934-48.3-68.3-17.96.72147-18.8-6.9-0.12, -0.360.380.008701386

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 )