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 21088
Detector 14 day operating status:

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


Overview for dimming #:
   21088           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 #: 21088          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-27 03:01:5910.00.00.00.00 , 0.008748455
2025-12-27 03:03:5920.00.00.00.00 , 1.418748456
2025-12-27 03:05:5930.00.00.00.00 , 0.008748457
2025-12-27 03:07:594-0.7-7.5-14.60.243 , 0.008748458
2025-12-27 03:09:595-1.7-13.9-14.40.4114 , 0.008748459
2025-12-27 03:11:596-2.2-16.9-17.10.5134 , 0.008748460
2025-12-27 03:13:597-2.4-18.0-17.50.5144 , 0.008748461
2025-12-27 03:15:598-2.9-20.5-17.60.6158 , 0.008748462
2025-12-27 03:17:599-3.1-22.7-20.00.6159 , 1.768748463
2025-12-27 03:19:5910-3.4-23.3-18.30.6178 , 0.008748464
2025-12-27 03:21:5911-3.9-24.7-15.90.8213 , 1.238748465
2025-12-27 03:23:5912-4.4-25.2-12.70.9256 , 1.008748466
2025-12-27 03:25:5913-4.3-28.2-15.60.8215 , 0.898748467
2025-12-27 03:27:5914-4.9-31.3-18.20.8227 , 0.008748468
2025-12-27 03:29:5915-5.8-32.5-13.81.129113.5-30.8-0.50, 0.270.570.008748469
2025-12-27 03:31:5916-6.0-33.4-13.81.130413.4-30.8-0.50, 0.270.570.008748470
2025-12-27 03:33:5917-6.2-32.9-14.21.232213.4-30.8-0.50, 0.270.570.008748471
2025-12-27 03:35:5918-8.2-33.7-14.41.743613.4-30.8-0.51, 0.270.570.008748472
2025-12-27 03:37:5919-8.4-31.9-14.11.846813.3-30.9-0.51, 0.270.570.008748473
2025-12-27 03:39:5920-8.7-30.9-14.51.948913.3-31.0-0.51, 0.270.570.008748474
2025-12-27 03:41:5921-8.4-32.3-14.21.946413.5-30.9-0.51, 0.270.570.008748475

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 )