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 20899
Detector 14 day operating status:

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


Overview for dimming #:
   20899           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 #: 20899          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-02 08:57:5910.00.00.00.00 , 0.008715531
2025-12-02 08:59:5920.00.00.00.00 , 0.008715532
2025-12-02 09:01:5930.00.00.00.00 , 0.988715533
2025-12-02 09:03:5940.00.00.00.00 , 1.198715534
2025-12-02 09:05:5950.00.00.00.00 , 1.058715535
2025-12-02 09:07:5960.00.00.00.00 , 1.138715536
2025-12-02 09:09:5970.00.00.00.00 , 0.908715537
2025-12-02 09:11:5980.00.00.00.00 , 0.938715538
2025-12-02 09:13:5990.00.0-10.30.04 , 8.678715539
2025-12-02 09:15:5910-0.9-7.4-8.90.3102 , 1.208715540
2025-12-02 09:17:5911-1.9-8.9-9.10.6185-8.1-67.9-0.93, -0.150.941.348715541
2025-12-02 09:19:5912-1.9-7.5-8.40.7212 , 1.298715542
2025-12-02 09:21:5913-2.8-7.9-8.51.0311 , 0.948715543
2025-12-02 09:23:5914-3.7-8.3-8.81.3407 , 1.158715544
2025-12-02 09:25:5915-4.4-7.9-8.71.5449-7.8-67.5-0.92, -0.140.941.328715545
2025-12-02 09:27:5916-4.0-9.3-8.41.4427 , 2.348715546
2025-12-02 09:29:5917-4.6-9.6-8.71.6497 , 0.918715547
2025-12-02 09:31:5918-5.1-10.2-8.91.8543 , 0.848715548
2025-12-02 09:33:5919-4.2-9.1-9.11.5444 , 0.008715549
2025-12-02 09:35:5920-4.8-9.4-9.01.7517 , 0.008715550
2025-12-02 09:37:5921-4.3-9.5-8.51.5471 , 0.008715551
2025-12-02 09:39:5922-5.0-10.6-8.61.7529 , 0.008715552
2025-12-02 09:41:5923-4.2-10.1-8.61.5460 , 0.008715553
2025-12-02 09:43:5924-3.9-10.4-9.11.3410 , 0.008715554
2025-12-02 09:45:5925-3.8-10.0-9.11.3398 , 0.008715555
2025-12-02 09:47:5926-4.3-10.6-9.01.4444 , 0.008715556
2025-12-02 09:49:5927-3.9-10.3-9.01.3400-5.2-20.7-0.36, -0.100.370.008715557
2025-12-02 09:51:5928-4.0-10.4-8.91.4428 , 0.008715558

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 )