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 21093
Detector 14 day operating status:

Last detected dimming:
   220 hours and 41 minutes ago (2026-01-04 22:23 UTC)


Overview for dimming #:
   21093           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 #: 21093          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-27 09:29:5910.00.00.00.00 , 0.008748649
2025-12-27 09:31:5920.00.00.00.00 , 0.008748650
2025-12-27 09:33:5930.00.00.00.00 , 0.008748651
2025-12-27 09:35:5940.00.00.00.00 , 0.008748652
2025-12-27 09:37:5950.00.00.00.00 , 0.008748653
2025-12-27 09:39:5960.00.00.00.00 , 0.008748654
2025-12-27 09:41:5970.00.00.00.00 , 0.008748655
2025-12-27 09:43:5980.00.00.00.00 , 1.558748656
2025-12-27 09:45:5990.00.00.00.00 , 2.078748657
2025-12-27 09:47:59100.00.00.00.00 , 1.018748658
2025-12-27 09:49:59110.00.00.00.00 , 0.008748659
2025-12-27 09:51:59120.00.00.00.00 , 0.008748660
2025-12-27 09:53:59130.00.00.00.00 , 0.008748661
2025-12-27 09:55:59140.00.00.00.00 , 0.008748662
2025-12-27 09:57:5915-0.1-0.4-8.30.064.615.80.27, 0.120.300.008748663
2025-12-27 09:59:5916-0.1-1.6-8.90.0144.015.80.28, 0.110.300.008748664
2025-12-27 10:01:5917-0.2-2.3-10.80.1184.015.80.28, 0.110.300.008748665
2025-12-27 10:03:5918-0.3-3.6-11.20.1244.016.00.28, 0.110.300.008748666
2025-12-27 10:05:5919-0.3-4.0-10.70.1334.115.90.28, 0.110.300.008748667
2025-12-27 10:07:5920-0.4-4.7-10.40.1384.016.00.28, 0.110.300.008748668
2025-12-27 10:09:5921-0.3-4.0-10.40.1303.916.00.28, 0.110.300.008748669

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 )