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 21009
Detector 14 day operating status:

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


Overview for dimming #:
   21009           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 #: 21009          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-13 08:37:5910.00.00.00.00 , 0.008731355
2025-12-13 08:39:5920.00.00.00.00 , 0.008731356
2025-12-13 08:41:5930.00.00.00.00 , 0.008731357
2025-12-13 08:43:594-2.4-14.3-14.40.5162 , 0.008731358
2025-12-13 08:45:595-7.9-27.6-19.01.2399-13.8-2.7-0.05, -0.230.230.008731359
2025-12-13 08:47:596-15.2-39.8-19.52.2703-14.2-2.5-0.04, -0.240.240.008731360
2025-12-13 08:49:597-28.9-48.1-16.84.21344-14.4-2.4-0.04, -0.240.241.068731361
2025-12-13 08:51:598-37.4-51.8-17.95.21681-14.6-3.2-0.06, -0.240.251.228731362
2025-12-13 08:53:599-41.9-54.1-17.45.81859-15.0-3.8-0.07, -0.250.260.878731363
2025-12-13 08:55:5910-43.0-51.3-17.96.21980-14.9-3.9-0.07, -0.250.260.008731364
2025-12-13 08:57:5911-44.7-52.2-19.06.22002-14.8-3.6-0.06, -0.250.260.008731365
2025-12-13 08:59:5912-45.3-55.5-19.26.21977-14.8-3.3-0.06, -0.250.250.008731366
2025-12-13 09:01:5913-46.0-57.1-19.76.01939-14.7-2.7-0.05, -0.250.250.008731367
2025-12-13 09:03:5914-47.9-58.7-20.26.11970-14.7-2.4-0.04, -0.240.250.008731368
2025-12-13 09:05:5915-50.2-60.1-20.66.32024-14.8-2.7-0.05, -0.250.250.008731369
2025-12-13 09:07:5916-52.2-61.3-21.16.42054-14.8-2.9-0.05, -0.250.250.008731370
2025-12-13 09:09:5917-52.8-60.8-21.36.32037-14.8-2.8-0.05, -0.250.250.008731371
2025-12-13 09:11:5918-53.4-60.8-21.86.32036-14.9-3.0-0.05, -0.250.250.008731372
2025-12-13 09:13:5919-52.7-60.2-23.06.11974-15.0-3.1-0.05, -0.250.260.008731373
2025-12-13 09:15:5920-52.3-59.5-23.86.01921-15.0-3.3-0.06, -0.250.260.008731374
2025-12-13 09:17:5921-51.4-58.3-23.85.91885-15.0-3.4-0.06, -0.250.260.008731375

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 )