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 21103
Detector 14 day operating status:

Last detected dimming:
   203 hours and 25 minutes ago (2026-01-03 23:07 UTC)


Overview for dimming #:
   21103           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 #: 21103          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-28 19:05:5910.00.00.00.00 , 1.108750377
2025-12-28 19:07:5920.00.00.00.00 , 0.008750378
2025-12-28 19:09:5930.00.00.00.00 , 0.008750379
2025-12-28 19:11:5940.00.00.00.00 , 0.008750380
2025-12-28 19:13:5950.00.00.00.00 , 0.008750381
2025-12-28 19:15:5960.00.00.00.00 , 0.008750382
2025-12-28 19:17:5970.00.00.00.00 , 1.048750383
2025-12-28 19:19:5980.00.00.00.00 , 1.708750384
2025-12-28 19:21:5990.00.00.00.00 , 1.858750385
2025-12-28 19:23:59100.00.00.00.00 , 2.118750386
2025-12-28 19:25:59110.00.00.00.00 , 1.238750387
2025-12-28 19:27:59120.00.00.00.00 , 0.868750388
2025-12-28 19:29:59130.00.00.00.00 , 0.008750389
2025-12-28 19:31:59140.00.00.00.00 , 0.008750390
2025-12-28 19:33:59150.00.00.00.00 , 0.008750391
2025-12-28 19:35:59160.00.00.00.00 , 0.008750392
2025-12-28 19:37:59170.00.00.00.00 , 0.008750393
2025-12-28 19:39:59180.00.00.00.00 , 0.008750394
2025-12-28 19:41:59190.00.00.00.00 , 0.008750395
2025-12-28 19:43:59200.00.00.00.00 , 0.008750396
2025-12-28 19:45:59210.00.0-13.60.022.4-53.1-0.81, 0.070.810.008750397
2025-12-28 19:47:5922-0.1-0.5-15.20.062.4-53.1-0.81, 0.070.810.008750398
2025-12-28 19:49:5923-0.2-2.7-19.50.1122.5-53.2-0.81, 0.070.810.008750399

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 )