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 20403
Detector 14 day operating status:

Last detected dimming:
   211 hours and 11 minutes ago (2025-10-24 20:53 UTC)


Overview for dimming #:
   20403           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 #: 20403          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-10-08 00:15:5910.00.00.00.00 , 0.008636577
2025-10-08 00:17:5920.00.00.00.00 , 0.008636578
2025-10-08 00:19:5930.00.00.00.00 , 0.008636579
2025-10-08 00:21:5940.00.00.00.00 , 0.008636580
2025-10-08 00:23:5950.00.00.00.00 , 0.008636581
2025-10-08 00:25:5960.00.00.00.00 , 0.858636582
2025-10-08 00:27:5970.00.00.00.00 , 1.448636583
2025-10-08 00:29:5980.00.00.00.00 , 1.868636584
2025-10-08 00:31:5990.00.00.00.00 , 5.628636585
2025-10-08 00:33:59100.00.00.00.00 , 0.008636586
2025-10-08 00:35:59110.00.00.00.00 , 0.008636587
2025-10-08 00:37:59120.00.00.00.00 , 0.008636588
2025-10-08 00:39:59130.00.00.00.00 , 0.008636589
2025-10-08 00:41:59140.00.00.00.00 , 0.008636590
2025-10-08 00:43:5915-0.6-6.8-11.90.346 , 0.008636591
2025-10-08 00:45:5916-1.1-9.8-11.10.697 , 0.008636592
2025-10-08 00:47:5917-0.8-8.0-11.00.469 , 0.008636593
2025-10-08 00:49:5918-0.5-6.0-12.10.341 , 0.008636594
2025-10-08 00:51:5919-0.5-5.4-12.10.236 , 0.008636595
2025-10-08 00:53:5920-0.2-2.6-12.10.118 , 0.008636596
2025-10-08 00:55:5921-0.8-8.3-11.30.573 , 0.008636597

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 )