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 21028
Detector 14 day operating status:

Last detected dimming:
   221 hours and 56 minutes ago (2026-01-03 23:07 UTC)


Overview for dimming #:
   21028           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 #: 21028          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-21 09:19:5910.00.00.00.00 , 0.008740004
2025-12-21 09:21:5920.00.00.00.00 , 0.008740005
2025-12-21 09:23:593-0.8-7.1-14.20.054-1.19, 0.141.200.998740006
2025-12-21 09:25:594-2.0-13.2-14.30.0129-1.19, 0.141.201.068740007
2025-12-21 09:27:595-4.1-18.6-12.00.0254-1.19, 0.151.191.188740008
2025-12-21 09:29:596-6.3-25.1-13.60.0350-1.18, 0.151.191.058740009
2025-12-21 09:31:597-9.1-31.1-15.20.0443-1.18, 0.151.191.088740010
2025-12-21 09:33:598-12.3-36.5-16.70.0559-1.18, 0.151.191.058740011
2025-12-21 09:35:599-16.5-45.2-19.10.0644-1.18, 0.141.191.338740012
2025-12-21 09:37:5910-20.1-50.1-20.70.0713-1.18, 0.141.191.368740013
2025-12-21 09:39:5911-23.3-55.2-22.10.0766-1.18, 0.141.191.318740014
2025-12-21 09:41:5912-25.2-58.0-23.80.0787-1.18, 0.141.191.128740015
2025-12-21 09:43:5913-26.8-60.0-25.10.0815-1.18, 0.141.180.878740016
2025-12-21 09:45:5914-29.7-64.6-27.50.0847-1.18, 0.141.180.888740017
2025-12-21 09:47:5915-32.4-68.6-28.40.0887-1.17, 0.141.180.968740018
2025-12-21 09:49:5916-35.0-71.7-31.20.0911-1.17, 0.141.181.038740019
2025-12-21 09:51:5917-37.2-73.7-32.00.0929-1.17, 0.141.180.928740020
2025-12-21 09:53:5918-40.0-77.9-32.80.0971-1.17, 0.141.180.008740021
2025-12-21 09:55:5919-43.0-83.1-35.50.0993-1.17, 0.141.180.888740022
2025-12-21 09:57:5920-46.4-86.0-36.80.01030-1.17, 0.141.180.848740023
2025-12-21 09:59:5921-48.7-91.8-37.10.01048-1.17, 0.141.180.898740024
2025-12-21 10:01:5922-51.2-94.8-38.50.01071-1.17, 0.141.180.008740025
2025-12-21 10:03:5923-53.4-97.9-40.80.01061-1.17, 0.141.180.908740026
2025-12-21 10:05:5924-55.8-100.2-41.00.01093-1.17, 0.141.180.888740027

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 )