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 21204
Detector 14 day operating status:

Last detected dimming:
   225 hours and 41 minutes ago (2026-03-05 22:49 UTC)


Overview for dimming #:
   21204           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 #: 21204          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-01-06 04:29:5910.00.00.00.00 , 0.008762883
2026-01-06 04:31:5920.00.00.00.00 , 0.008762884
2026-01-06 04:33:5930.00.00.00.00 , 0.008762885
2026-01-06 04:35:5940.00.00.00.00 , 0.008762886
2026-01-06 04:37:5950.00.00.00.00 , 0.008762887
2026-01-06 04:39:596-0.5-4.7-9.40.247 , 0.008762888
2026-01-06 04:41:597-1.0-7.0-10.50.495 , 0.008762889
2026-01-06 04:43:598-2.7-10.0-10.20.9252-4.2-36.1-0.60, -0.020.600.008762890
2026-01-06 04:45:599-4.0-11.0-10.41.3357-3.3-34.1-0.57, -0.010.572.128762891
2026-01-06 04:47:5910-5.1-12.8-10.91.6435-2.1-32.6-0.55, 0.020.553.048762892
2026-01-06 04:49:5911-5.7-14.3-11.31.7459-2.1-32.4-0.54, 0.020.540.008762893
2026-01-06 04:51:5912-7.5-13.9-11.12.3628-2.7-33.5-0.56, 0.010.560.008762894
2026-01-06 04:53:5913-9.0-13.7-11.22.7735-3.3-34.7-0.58, -0.010.580.008762895
2026-01-06 04:55:5914-10.2-14.5-10.93.1833-3.3-34.7-0.58, -0.010.580.008762896
2026-01-06 04:57:5915-10.6-15.8-12.13.1828-2.9-33.4-0.56, 0.000.560.008762897
2026-01-06 04:59:5916-12.0-17.5-12.53.3892-3.2-34.4-0.57, 0.000.570.008762898
2026-01-06 05:01:5917-12.8-18.8-12.43.4927-3.1-34.0-0.56, 0.000.560.008762899
2026-01-06 05:03:5918-13.9-19.8-12.23.71010-3.2-33.8-0.56, 0.000.560.008762900
2026-01-06 05:05:5919-14.4-19.9-12.43.91067-3.0-33.9-0.56, 0.000.560.008762901
2026-01-06 05:07:5920-14.5-19.8-12.63.91043-3.3-34.6-0.57, -0.010.570.008762902
2026-01-06 05:09:5921-16.0-18.3-12.44.41186-3.3-35.0-0.58, -0.010.580.008762903
2026-01-06 05:11:5922-16.7-18.0-11.44.71284-3.4-35.5-0.59, -0.010.590.008762904

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 )