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 20858
Detector 14 day operating status:

Last detected dimming:
   199 hours and 12 minutes ago (2025-12-06 23:37 UTC)


Overview for dimming #:
   20858           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 #: 20858          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-28 03:17:5910.00.00.00.00 , 0.008709654
2025-11-28 03:19:5920.00.00.00.00 , 0.008709655
2025-11-28 03:21:5930.00.00.00.00 , 0.008709656
2025-11-28 03:23:5940.00.00.00.00 , 0.008709657
2025-11-28 03:25:5950.00.00.00.00 , 0.008709658
2025-11-28 03:27:5960.00.00.00.00 , 0.008709659
2025-11-28 03:29:597-1.6-6.9-13.12.483 , 1.278709660
2025-11-28 03:31:598-4.9-12.9-11.04.7207 , 2.218709661
2025-11-28 03:33:599-11.0-21.5-11.97.6333 , 8.488709662
2025-11-28 03:35:5910-16.8-107.8-13.58.8406 , 2.578709663
2025-11-28 03:37:5911-17.0-109.6-13.78.7403 , 4.828709664
2025-11-28 03:39:5912-18.8-111.8-14.28.8401 , 0.008709665
2025-11-28 03:41:5913-18.2-109.0-13.99.6445 , 0.008709666
2025-11-28 03:43:5914-17.0-62.1-13.310.8529 , 0.008709667
2025-11-28 03:45:5915-16.2-36.0-12.611.4567 , 0.008709668
2025-11-28 03:47:5916-13.2-21.3-11.912.5609 , 0.008709669
2025-11-28 03:49:5917-9.3-15.2-9.910.1513 , 0.008709670
2025-11-28 03:51:5918-6.7-12.0-10.28.1421 , 0.008709671
2025-11-28 03:53:5919-3.8-12.3-9.75.4320 , 0.008709672
2025-11-28 03:55:5920-2.5-9.8-9.73.6223 , 0.008709673
2025-11-28 03:57:5921-2.1-8.9-9.52.9198 , 0.008709674
2025-11-28 03:59:5922-2.8-10.5-9.63.8243 , 0.008709675
2025-11-28 04:01:5923-3.5-11.5-9.35.1321 , 0.008709676

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 )