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 21102
Detector 14 day operating status:

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


Overview for dimming #:
   21102           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 #: 21102          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-28 18:05:5910.00.00.00.00 , 1.578750347
2025-12-28 18:07:5920.00.00.00.00 , 0.008750348
2025-12-28 18:09:5930.00.00.00.00 , 0.008750349
2025-12-28 18:11:5940.00.00.00.00 , 0.008750350
2025-12-28 18:13:5950.00.00.00.00 , 0.008750351
2025-12-28 18:15:5960.00.00.00.00 , 0.008750352
2025-12-28 18:17:5970.00.00.00.00 , 0.978750353
2025-12-28 18:19:5980.00.00.00.00 , 2.078750354
2025-12-28 18:21:5990.00.00.00.00 , 2.498750355
2025-12-28 18:23:59100.00.00.00.00 , 2.108750356
2025-12-28 18:25:59110.00.00.00.00 , 1.728750357
2025-12-28 18:27:59120.00.00.00.00 , 1.628750358
2025-12-28 18:29:59130.00.00.00.00 , 1.108750359
2025-12-28 18:31:59140.00.00.00.00 , 0.008750360
2025-12-28 18:33:59150.00.00.00.00 , 0.008750361
2025-12-28 18:35:59160.00.00.00.00 , 0.008750362
2025-12-28 18:37:59170.00.00.00.00 , 0.008750363
2025-12-28 18:39:59180.00.00.00.00 , 0.008750364
2025-12-28 18:41:59190.00.00.00.00 , 0.908750365
2025-12-28 18:43:59200.00.00.00.00 , 0.008750366
2025-12-28 18:45:59210.00.00.00.00 , 0.008750367
2025-12-28 18:47:59220.00.00.00.00 , 0.008750368

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 )