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 20821
Detector 14 day operating status:

Last detected dimming:
   199 hours and 11 minutes ago (2025-12-06 23:37 UTC)


Overview for dimming #:
   20821           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 #: 20821          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-23 05:33:5910.00.00.00.00 , 0.008702567
2025-11-23 05:35:5920.00.00.00.00 , 0.008702568
2025-11-23 05:37:5930.00.00.00.00 , 0.008702569
2025-11-23 05:39:5940.00.00.00.00 , 1.198702570
2025-11-23 05:41:5950.00.00.00.00 , 0.008702571
2025-11-23 05:43:5960.00.00.00.00 , 0.008702572
2025-11-23 05:45:5970.00.00.00.00 , 0.008702573
2025-11-23 05:47:5980.00.00.00.00 , 1.518702574
2025-11-23 05:51:5990.00.0-10.90.04 , 3.428702576
2025-11-23 05:53:5910-0.10.0-8.80.07 , 2.068702577
2025-11-23 05:55:5911-0.1-0.6-10.40.19-22.9-62.0-0.82, -0.410.921.088702578
2025-11-23 05:57:59120.00.0-11.50.02 , 0.928702579
2025-11-23 05:59:5913-0.2-1.0-10.90.113-23.3-63.9-0.83, -0.410.931.018702580
2025-11-23 06:01:5914-0.3-1.7-11.80.222-23.5-65.0-0.84, -0.420.940.008702581
2025-11-23 06:03:5915-0.2-0.7-10.70.114-23.5-65.0-0.84, -0.420.940.008702582
2025-11-23 06:05:5916-0.2-0.9-10.40.118-23.5-65.0-0.84, -0.420.940.008702583
2025-11-23 06:07:5917-0.10.0-9.30.05-22.7-61.6-0.82, -0.400.910.008702584
2025-11-23 06:09:5918-0.10.0-12.90.03-23.6-65.1-0.84, -0.420.940.008702585
2025-11-23 06:11:5919-0.2-0.6-26.30.19-23.4-65.3-0.84, -0.410.940.008702586
2025-11-23 06:13:5920-0.2-0.6-9.90.114-23.5-65.0-0.84, -0.420.940.008702587
2025-11-23 06:15:5921-0.10.0-10.90.17-23.6-65.1-0.84, -0.420.940.008702588

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 )