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 20894
Detector 14 day operating status:

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


Overview for dimming #:
   20894           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 #: 20894          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-01 21:15:591-6.7-29.4-23.72.526542.3-64.6-0.68, 0.670.950.928714508
2025-12-01 21:17:592-19.1-53.0-23.87.569142.1-66.0-0.69, 0.670.960.008714509
2025-12-01 21:19:593-14.1-57.8-37.23.736442.1-66.6-0.69, 0.670.961.158714510
2025-12-01 21:21:594-10.1-51.3-25.13.433442.2-67.8-0.69, 0.680.970.928714511
2025-12-01 21:23:595-7.2-21.2-15.93.034942.8-64.3-0.67, 0.680.950.008714512
2025-12-01 21:25:596-8.7-30.3-19.63.338543.0-62.9-0.66, 0.680.950.008714513
2025-12-01 21:27:597-11.4-32.1-20.24.249442.3-62.9-0.67, 0.670.950.008714514
2025-12-01 21:29:598-16.2-35.6-20.25.7709-23.2-43.8-0.64, -0.410.761.818714515
2025-12-01 21:31:599-22.0-35.7-20.57.0902-23.3-43.9-0.64, -0.410.766.948714516
2025-12-01 21:33:5910-26.7-45.6-19.98.11052-23.4-44.0-0.65, -0.410.779.068714517
2025-12-01 21:35:5911-28.4-43.9-18.89.11181-23.5-44.2-0.65, -0.410.776.098714518
2025-12-01 21:37:5912-32.6-42.3-18.512.61443-23.1-43.7-0.64, -0.410.762.218714519
2025-12-01 21:39:5913-30.7-45.5-18.410.51371-23.4-44.4-0.65, -0.410.772.328714520
2025-12-01 21:41:5914-33.3-44.5-17.811.51520-23.4-44.5-0.65, -0.410.773.128714521
2025-12-01 21:43:5915-36.8-46.0-17.212.61703-23.2-43.6-0.64, -0.410.761.708714522
2025-12-01 21:45:5916-42.3-55.9-17.414.01908-22.3-42.5-0.63, -0.390.750.008714523
2025-12-01 21:47:5917-45.4-61.1-16.914.72027-22.2-42.6-0.63, -0.390.751.068714524
2025-12-01 21:49:5918-48.0-64.6-17.415.12089-22.5-42.7-0.63, -0.400.750.858714525
2025-12-01 21:51:5919-48.2-66.5-16.215.82196-22.6-42.7-0.63, -0.400.750.008714526
2025-12-01 21:53:5920-48.1-67.6-15.915.92237-22.5-42.7-0.63, -0.400.750.008714527
2025-12-01 21:55:5921-48.4-68.5-15.916.02262-23.1-42.9-0.63, -0.410.750.008714528
2025-12-01 21:57:5922-48.0-67.9-15.916.12285-23.5-43.2-0.64, -0.410.760.008714529
2025-12-01 21:59:5923-47.6-67.4-16.216.12267-24.1-43.7-0.64, -0.420.770.008714530
2025-12-01 22:01:5924-48.6-67.5-16.016.62315-23.8-43.2-0.63, -0.420.760.008714531
2025-12-01 22:03:5925-50.9-68.0-15.817.32424-24.9-44.4-0.64, -0.430.780.008714532
2025-12-01 22:05:5926-52.4-68.0-15.818.02511-24.5-44.0-0.64, -0.430.770.988714533
2025-12-01 22:07:5927-53.1-69.7-16.117.92481-24.5-44.0-0.64, -0.430.771.228714534

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 )