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 21109
Detector 14 day operating status:

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


Overview for dimming #:
   21109           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
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Details for dimming #: 21109          
timeseq #total
intensity		max
intensity		median
intensity		areasizelatlonx,y in R☉dist.
R☉		detectionImg ID
2025-12-29 04:27:5910.00.00.00.00 , 0.008751373
2025-12-29 04:29:5920.00.00.00.00 , 0.008751374
2025-12-29 04:31:5930.00.00.00.00 , 1.688751375
2025-12-29 04:33:5940.00.00.00.00 , 1.098751376
2025-12-29 04:35:5950.00.00.00.00 , 0.008751377
2025-12-29 04:37:5960.00.00.00.00 , 0.008751378
2025-12-29 04:39:5970.00.00.00.00 , 1.398751379
2025-12-29 04:41:5980.00.00.00.00 , 1.498751380
2025-12-29 04:43:5990.00.00.00.00 , 1.348751381
2025-12-29 04:45:59100.00.00.00.00 , 0.008751382
2025-12-29 04:47:59110.00.00.00.00 , 0.008751383
2025-12-29 04:49:59120.00.00.00.00 , 0.008751384
2025-12-29 04:51:59130.00.00.00.00 , 0.008751385
2025-12-29 04:53:59140.00.00.00.00 , 0.008751386
2025-12-29 04:55:59150.00.00.00.00 , 0.008751387
2025-12-29 04:57:59160.00.00.00.00 , 0.008751388
2025-12-29 04:59:59170.00.00.00.00 , 0.008751389
2025-12-29 05:01:59180.00.00.00.00 , 0.008751390
2025-12-29 05:03:59190.00.00.00.00 , 0.008751391
2025-12-29 05:05:59200.00.00.00.00 , 0.008751392
2025-12-29 05:07:59210.00.00.00.00 , 0.008751393
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 )