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 20919
Detector 14 day operating status:

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


Overview for dimming #:
   20919           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 #: 20919          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-04 11:09:5910.00.00.00.00 , 0.008718471
2025-12-04 11:11:5920.00.00.00.00 , 0.008718472
2025-12-04 11:13:593-0.4-4.1-19.70.122-12.354.50.80, -0.220.830.008718473
2025-12-04 11:15:594-0.8-7.7-16.80.242-12.354.90.81, -0.220.840.008718474
2025-12-04 11:17:595-1.2-9.4-15.70.360-12.354.90.81, -0.220.840.008718475
2025-12-04 11:19:596-2.5-16.9-20.00.6108-12.355.40.81, -0.220.841.308718476
2025-12-04 11:21:597-5.3-38.5-23.10.9163-11.954.90.81, -0.210.841.078718477
2025-12-04 11:23:598-8.6-58.7-28.71.3224-11.755.10.81, -0.210.841.418718478
2025-12-04 11:25:599-11.2-68.9-30.31.5266-11.855.10.81, -0.210.842.388718479
2025-12-04 11:27:5910-13.6-78.5-34.31.7300-11.755.10.81, -0.210.841.348718480
2025-12-04 11:29:5911-16.9-88.4-31.02.2376-11.755.10.81, -0.210.841.208718481
2025-12-04 11:31:5912-20.6-98.0-26.32.7474-11.655.00.81, -0.210.841.238718482
2025-12-04 11:33:5913-22.3-103.5-23.62.9501-11.655.00.81, -0.210.840.008718483
2025-12-04 11:35:5914-26.0-111.3-21.93.1553-11.554.80.81, -0.210.840.008718484
2025-12-04 11:37:5915-30.2-114.3-24.83.4590-11.554.00.80, -0.210.830.008718485
2025-12-04 11:39:5916-32.1-117.1-23.63.6628-11.554.00.80, -0.210.830.008718486
2025-12-04 11:41:5917-33.9-120.9-24.33.7644-11.453.80.80, -0.210.830.008718487
2025-12-04 11:43:5918-34.1-120.7-20.43.9682-11.553.90.80, -0.210.830.008718488
2025-12-04 11:45:5919-35.3-122.3-21.03.8678-11.453.70.80, -0.210.830.008718489
2025-12-04 11:47:5920-36.0-123.8-26.43.7651-11.453.60.80, -0.200.820.008718490
2025-12-04 11:49:5921-37.0-124.0-21.93.9695-11.353.60.80, -0.200.820.008718491

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 )