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 21054
Detector 14 day operating status:

Last detected dimming:
   221 hours and 55 minutes ago (2026-01-03 23:07 UTC)


Overview for dimming #:
   21054           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 #: 21054          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-24 09:05:5910.00.00.00.00 , 0.008744317
2025-12-24 09:07:5920.00.00.00.00 , 1.018744318
2025-12-24 09:09:5930.00.00.00.00 , 1.118744319
2025-12-24 09:11:5940.00.0-9.90.03 , 0.008744320
2025-12-24 09:13:5950.00.00.00.00 , 0.008744321
2025-12-24 09:15:596-0.2-1.1-10.10.116 , 0.008744322
2025-12-24 09:17:597-3.4-19.8-13.80.61638.6-48.5-0.75, 0.180.770.888744323
2025-12-24 09:19:598-5.8-23.3-15.10.92398.6-48.5-0.75, 0.170.770.968744324
2025-12-24 09:21:599-7.4-30.7-14.51.33208.7-48.4-0.75, 0.180.773.968744325
2025-12-24 09:23:5910-8.8-27.0-14.31.742812.2-38.5-0.62, 0.240.661.298744326
2025-12-24 09:25:5911-9.9-24.0-14.32.254111.5-39.8-0.64, 0.230.680.878744327
2025-12-24 09:27:5912-10.8-22.1-14.02.460112.7-35.2-0.57, 0.250.620.008744328
2025-12-24 09:29:5913-12.3-25.0-14.32.969212.3-36.3-0.59, 0.240.630.918744329
2025-12-24 09:31:5914-14.0-28.3-14.53.277012.2-36.6-0.59, 0.240.640.008744330
2025-12-24 09:33:5915-14.0-25.3-14.13.377612.4-36.4-0.59, 0.250.640.008744331
2025-12-24 09:35:5916-15.5-27.2-14.73.582412.4-36.9-0.59, 0.250.640.008744332
2025-12-24 09:37:5917-16.3-23.6-14.93.888712.7-36.0-0.58, 0.250.630.008744333
2025-12-24 09:39:5918-14.9-22.6-14.63.886512.8-36.0-0.58, 0.250.630.008744334
2025-12-24 09:41:5919-15.7-24.4-13.94.190912.9-36.3-0.58, 0.250.640.008744335
2025-12-24 09:43:5920-16.9-24.2-14.44.395813.2-35.2-0.57, 0.260.630.008744336
2025-12-24 09:45:5921-18.2-24.2-14.34.498614.0-33.2-0.54, 0.270.600.008744337

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 )