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 20668
Detector 14 day operating status:

Last detected dimming:
   199 hours and 7 minutes ago (2025-11-26 23:17 UTC)


Overview for dimming #:
   20668           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 #: 20668          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-07 04:11:591-1.9-17.3-13.50.4109 , 0.008679506
2025-11-07 04:13:592-7.4-47.6-12.80.7184 , 0.008679507
2025-11-07 04:15:593-17.2-136.5-21.80.9226 , 0.008679508
2025-11-07 04:17:594-26.1-204.9-22.41.435328.2-31.5-0.47, 0.430.630.008679509
2025-11-07 04:19:595-26.6-181.0-16.11.845628.4-31.8-0.47, 0.430.640.008679510
2025-11-07 04:21:596-30.5-207.8-15.02.255928.4-31.7-0.47, 0.430.640.008679511
2025-11-07 04:23:597-36.5-238.4-14.62.766428.3-31.8-0.47, 0.430.640.008679512
2025-11-07 04:25:598-39.9-244.7-14.03.176128.3-31.9-0.47, 0.430.642.418679513
2025-11-07 04:27:599-43.7-257.5-14.13.279928.2-31.9-0.47, 0.430.642.868679514
2025-11-07 04:29:5910-46.4-261.4-14.13.485628.2-32.0-0.47, 0.430.641.708679515
2025-11-07 04:31:5911-48.3-265.4-13.43.893528.3-32.0-0.47, 0.430.641.398679516
2025-11-07 04:33:5912-49.4-267.5-14.13.996028.3-32.0-0.47, 0.430.640.008679517
2025-11-07 04:35:5913-49.2-270.1-14.43.997628.3-31.9-0.47, 0.430.644.948679518
2025-11-07 04:37:5914-48.8-270.4-14.94.099328.3-31.9-0.47, 0.430.640.008679519
2025-11-07 04:39:5915-47.9-269.8-14.64.0100428.3-31.8-0.47, 0.430.640.988679520
2025-11-07 04:41:5916-46.3-269.2-14.13.997828.2-31.7-0.47, 0.430.640.008679521
2025-11-07 04:43:5917-45.2-269.4-14.03.997528.2-31.7-0.47, 0.430.630.008679522
2025-11-07 04:45:5918-43.9-266.9-13.53.793828.2-31.7-0.47, 0.430.640.008679523
2025-11-07 04:47:5919-43.1-261.8-14.43.690528.2-31.7-0.47, 0.430.640.008679524
2025-11-07 04:49:5920-40.3-258.1-14.23.587028.2-31.6-0.47, 0.430.630.008679525
2025-11-07 04:51:5921-41.3-258.9-14.23.587828.2-31.7-0.47, 0.430.630.008679526
2025-11-07 04:53:5922-39.3-248.9-14.13.587828.3-31.7-0.47, 0.430.640.008679527
2025-11-07 04:55:5923-39.0-249.8-13.93.690328.2-31.6-0.47, 0.430.630.008679528
2025-11-07 04:57:5924-38.5-250.8-13.73.893828.3-31.6-0.47, 0.430.630.008679529
2025-11-07 04:59:5925-38.2-252.0-13.73.793128.3-31.6-0.47, 0.430.630.008679530

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 )