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 21224
Detector 14 day operating status:

Last detected dimming:
   215 hours and 2 minutes ago (2026-03-04 21:25 UTC)


Overview for dimming #:
   21224           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 #: 21224          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-01-08 14:09:5910.00.00.00.00 , 0.008765898
2026-01-08 14:11:5920.00.00.00.00 , 0.008765899
2026-01-08 14:13:5930.00.00.00.00 , 0.008765900
2026-01-08 14:15:5940.00.00.00.00 , 0.008765901
2026-01-08 14:17:5950.00.00.00.00 , 0.008765902
2026-01-08 14:19:5960.00.00.00.00 , 0.008765903
2026-01-08 14:21:5970.00.00.00.00 , 0.888765904
2026-01-08 14:23:5980.00.00.00.00 , 1.978765905
2026-01-08 14:25:599-0.5-5.9-15.10.127 , 2.438765906
2026-01-08 14:27:5910-2.6-14.4-14.80.4117 , 1.738765907
2026-01-08 14:29:5911-2.8-14.9-15.60.4122 , 0.008765908
2026-01-08 14:31:5912-2.8-15.5-15.30.4122 , 0.008765909
2026-01-08 14:33:5913-2.8-15.3-14.50.4126 , 0.008765910
2026-01-08 14:35:5914-2.6-15.0-16.60.4105 , 0.008765911
2026-01-08 14:37:5915-2.8-17.6-15.50.4108 , 0.008765912
2026-01-08 14:39:5916-3.0-20.2-15.80.4110 , 0.008765913
2026-01-08 14:41:5917-2.7-15.1-19.20.3102 , 0.008765914
2026-01-08 14:43:5918-3.1-21.2-20.20.3100 , 0.008765915
2026-01-08 14:45:5919-3.1-21.9-20.20.3100 , 0.008765916
2026-01-08 14:47:5920-3.1-21.8-20.90.396 , 0.008765917
2026-01-08 14:49:5921-3.8-22.3-20.40.4131-6.4-28.1-0.47, -0.050.480.008765918
2026-01-08 14:51:5922-4.3-21.5-16.80.6166-6.5-28.0-0.47, -0.050.480.008765919

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 )