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 20920
Detector 14 day operating status:

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


Overview for dimming #:
   20920           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 #: 20920          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-04 11:41:5910.00.00.00.00 , 0.008718487
2025-12-04 11:43:5920.00.00.00.00 , 0.008718488
2025-12-04 11:45:5930.00.00.00.00 , 0.008718489
2025-12-04 11:47:5940.00.00.00.00 , 0.008718490
2025-12-04 11:49:5950.00.00.00.00 , 0.008718491
2025-12-04 11:51:5960.00.00.00.00 , 0.008718492
2025-12-04 11:53:5970.00.00.00.00 , 0.008718493
2025-12-04 11:55:5980.00.00.00.00 , 0.968718494
2025-12-04 11:57:5990.00.0-42.10.01 , 2.118718495
2025-12-04 11:59:5910-0.2-1.8-8.40.120 , 1.348718496
2025-12-04 12:01:5911-1.6-8.3-9.00.276-13.72.80.05, -0.250.251.268718497
2025-12-04 12:03:5912-1.9-4.8-9.70.382-14.23.20.05, -0.260.260.008718498
2025-12-04 12:05:5913-3.5-9.1-12.40.4125-14.63.70.06, -0.260.270.008718499
2025-12-04 12:07:5914-4.6-12.5-13.60.5170-14.73.80.06, -0.270.270.008718500
2025-12-04 12:09:5915-5.1-31.5-13.90.4139-14.43.30.06, -0.260.270.008718501
2025-12-04 12:11:5916-4.7-25.3-16.10.3108-14.33.30.06, -0.260.260.008718502
2025-12-04 12:13:5917-7.5-49.7-13.70.4127-14.23.10.05, -0.260.260.008718503
2025-12-04 12:15:5918-7.9-77.1-12.30.4114-14.23.20.05, -0.260.260.008718504
2025-12-04 12:17:5919-8.8-89.6-12.10.4134-14.23.20.05, -0.260.260.008718505
2025-12-04 12:19:5920-10.9-98.6-11.60.6188-14.13.20.05, -0.250.260.008718506
2025-12-04 12:21:5921-10.9-99.1-13.20.6179-14.13.10.05, -0.260.260.008718507
2025-12-04 12:23:5922-11.4-109.4-12.90.5172-14.13.10.05, -0.260.260.008718508
2025-12-04 12:25:5923-12.1-114.6-14.10.6185-14.13.10.05, -0.260.260.008718509

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 )