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 20840
Detector 14 day operating status:

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


Overview for dimming #:
   20840           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 #: 20840          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-25 16:25:5910.00.00.00.00 , 1.008706487
2025-11-25 16:27:5920.00.00.00.00 , 0.008706488
2025-11-25 16:29:5930.00.00.00.00 , 0.008706489
2025-11-25 16:31:5940.00.00.00.00 , 0.008706490
2025-11-25 16:33:5950.00.00.00.00 , 0.008706491
2025-11-25 16:35:5960.00.00.00.00 , 1.008706492
2025-11-25 16:37:5970.00.00.00.00 , 0.008706493
2025-11-25 16:39:5980.00.00.00.00 , 0.008706494
2025-11-25 16:41:5990.00.00.00.00 , 4.718706495
2025-11-25 16:43:59100.00.00.00.00 , 1.768706496
2025-11-25 16:45:59110.00.00.00.00 , 5.228706497
2025-11-25 16:47:59120.00.00.00.00 , 1.668706498
2025-11-25 16:49:59130.00.00.00.00 , 6.658706499
2025-11-25 16:51:5914-9.1-34.1-18.81.8415-8.2-45.0-0.71, -0.160.732.438706500
2025-11-25 16:53:5915-9.6-33.0-18.41.9454-8.2-45.0-0.71, -0.160.732.638706501
2025-11-25 16:55:5916-10.0-35.3-19.22.0463-8.2-45.0-0.71, -0.160.732.678706502
2025-11-25 16:57:5917-11.0-37.9-19.82.0478-8.2-45.0-0.71, -0.160.732.188706503
2025-11-25 16:59:5918-10.9-37.8-19.32.0481-8.2-44.9-0.71, -0.160.7314.428706504
2025-11-25 17:01:5919-11.3-39.1-19.82.1498-8.2-44.9-0.71, -0.160.732.918706505
2025-11-25 17:03:5920-12.2-40.4-19.32.2522-8.2-45.0-0.71, -0.160.733.208706506
2025-11-25 17:05:5921-12.8-40.7-19.22.3544-8.2-45.0-0.71, -0.160.731.528706507
2025-11-25 17:07:5922-13.9-40.4-19.12.5618-8.3-45.0-0.71, -0.160.731.108706508
2025-11-25 17:09:5923-15.6-42.0-17.92.8726-8.3-45.0-0.71, -0.160.731.058706509
2025-11-25 17:11:5924-16.1-42.2-18.82.8725-8.3-45.1-0.71, -0.160.730.008706510
2025-11-25 17:13:5925-17.8-45.6-18.12.9801-8.3-45.1-0.71, -0.160.730.008706511
2025-11-25 17:15:5926-18.3-47.6-17.93.0836-8.3-44.9-0.71, -0.160.730.008706512
2025-11-25 17:17:5927-17.9-46.5-19.93.0756-8.2-45.0-0.71, -0.160.730.008706513
2025-11-25 17:19:5928-18.4-49.2-20.93.0706-8.3-44.8-0.71, -0.170.720.008706514
2025-11-25 17:21:5929-19.1-51.4-21.73.1724-8.2-44.8-0.71, -0.160.720.008706515
2025-11-25 17:23:5930-19.5-50.3-21.93.2744-8.2-44.7-0.71, -0.160.720.008706516
2025-11-25 17:25:5931-20.7-52.6-22.93.2752-8.2-44.8-0.71, -0.160.720.008706517
2025-11-25 17:27:5932-21.0-54.3-23.03.2757-8.2-44.7-0.70, -0.160.720.008706518

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 )