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 20997
Detector 14 day operating status:

Last detected dimming:
   220 hours and 55 minutes ago (2026-01-02 22:49 UTC)


Overview for dimming #:
   20997           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

more


Details for dimming #: 20997          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-11 09:17:5910.00.00.00.00 , 0.008728495
2025-12-11 09:19:5920.00.00.00.00 , 0.008728496
2025-12-11 09:21:5930.00.00.00.00 , 0.008728497
2025-12-11 09:23:5940.00.00.00.00 , 0.008728498
2025-12-11 09:25:5950.00.00.00.00 , 0.008728499
2025-12-11 09:27:5960.00.00.00.00 , 0.008728500
2025-12-11 09:29:597-0.5-5.0-10.70.049 , 0.008728501
2025-12-11 09:31:598-6.9-14.9-12.80.05481.18, -0.261.210.008728502
2025-12-11 09:33:599-14.5-19.8-13.20.010391.17, -0.261.2022.218728503
2025-12-11 09:35:5910-17.4-24.7-14.00.011381.17, -0.261.2012.348728504
2025-12-11 09:37:5911-18.3-26.8-14.10.011601.17, -0.261.200.998728505
2025-12-11 09:39:5912-19.4-31.1-14.50.011461.16, -0.261.190.008728506
2025-12-11 09:41:5913-20.7-34.5-14.80.011851.16, -0.261.190.008728507
2025-12-11 09:43:5914-22.5-36.0-15.50.012671.16, -0.261.191.138728508
2025-12-11 09:45:5915-40.5-81.3-15.50.915931.16, -0.261.1910.648728509
2025-12-11 09:47:5916-41.1-88.8-15.00.916681.16, -0.261.197.538728510
2025-12-11 09:49:5917-38.4-63.5-14.40.716821.16, -0.261.190.008728511
2025-12-11 09:51:5918-36.0-44.5-14.20.517191.16, -0.261.190.008728512
2025-12-11 09:53:5919-34.1-45.5-13.80.217291.16, -0.261.190.008728513
2025-12-11 09:55:5920-33.2-47.5-12.90.018241.16, -0.261.190.008728514
2025-12-11 09:57:5921-33.4-47.3-12.80.018431.16, -0.261.190.008728515
2025-12-11 09:59:5922-33.2-47.9-13.40.017971.16, -0.261.190.008728516
2025-12-11 10:01:5923-33.7-47.6-13.90.017921.16, -0.261.190.008728517
2025-12-11 10:03:5924-34.3-48.6-14.10.018051.16, -0.261.190.008728518
2025-12-11 10:05:5925-35.3-49.2-13.80.018451.16, -0.261.190.008728519
2025-12-11 10:07:5926-35.1-50.3-14.40.017911.16, -0.261.190.008728520
2025-12-11 10:09:5927-35.1-50.7-14.50.017731.16, -0.261.190.008728521
2025-12-11 10:11:5928-35.5-50.7-14.30.017941.16, -0.261.190.008728522

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 )