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 21123
Detector 14 day operating status:

Last detected dimming:
   205 hours and 6 minutes ago (2026-01-03 23:07 UTC)


Overview for dimming #:
   21123           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 #: 21123          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-30 09:23:5910.00.00.00.00 , 0.008752961
2025-12-30 09:25:5920.00.00.00.00 , 0.008752962
2025-12-30 09:27:5930.00.00.00.00 , 0.008752963
2025-12-30 09:29:5940.00.00.00.00 , 0.008752964
2025-12-30 09:31:5950.00.00.00.00 , 0.008752965
2025-12-30 09:33:5960.00.00.00.00 , 0.008752966
2025-12-30 09:35:5970.00.00.00.00 , 1.708752967
2025-12-30 09:37:5980.00.00.00.00 , 0.008752968
2025-12-30 09:39:5990.00.00.00.00 , 2.518752969
2025-12-30 09:41:59100.00.00.00.00 , 1.048752970
2025-12-30 09:43:59110.00.00.00.00 , 0.008752971
2025-12-30 09:45:59120.00.00.00.00 , 0.008752972
2025-12-30 09:47:59130.00.00.00.00 , 0.008752973
2025-12-30 09:49:59140.00.0-15.60.01 , 0.008752974
2025-12-30 09:51:59150.00.0-16.00.01 , 0.008752975
2025-12-30 09:53:59160.00.00.00.00 , 0.008752976
2025-12-30 09:55:59170.00.00.00.00 , 0.008752977
2025-12-30 09:57:59180.00.0-12.10.03-2.2-26.7-0.45, 0.010.450.008752978
2025-12-30 09:59:5919-0.1-0.2-11.30.07-2.2-26.7-0.45, 0.010.450.008752979
2025-12-30 10:01:5920-0.1-0.5-9.50.011-2.2-26.7-0.45, 0.010.450.008752980
2025-12-30 10:03:5921-0.2-0.3-10.60.012-2.2-26.7-0.45, 0.010.450.008752981

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 )