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 20790
Detector 14 day operating status:

Last detected dimming:
   216 hours and 11 minutes ago (2025-12-05 23:57 UTC)


Overview for dimming #:
   20790           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

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Details for dimming #: 20790          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-18 20:33:5920.00.00.00.00 , 0.008696538
2025-11-18 20:35:5930.00.00.00.00 , 0.008696539
2025-11-18 20:37:5940.00.00.00.00 , 0.008696540
2025-11-18 20:39:5950.00.0-8.50.01 , 0.858696541
2025-11-18 20:41:596-0.2-1.0-9.00.116-13.834.20.55, -0.270.621.148696542
2025-11-18 20:43:597-0.8-3.9-11.00.256-14.233.90.55, -0.280.621.418696543
2025-11-18 20:45:598-1.6-6.2-11.80.4103-13.933.40.54, -0.280.611.328696544
2025-11-18 20:47:599-2.4-10.6-13.00.5119-13.633.40.54, -0.270.610.008696545
2025-11-18 20:49:5910-3.0-16.7-12.40.6154-13.533.60.54, -0.270.610.908696546
2025-11-18 20:51:5911-5.0-22.2-13.80.8222-13.533.60.54, -0.270.610.008696547
2025-11-18 20:53:5912-6.1-26.3-12.91.0269-13.433.70.55, -0.270.610.008696548
2025-11-18 20:55:5913-6.9-34.7-14.61.1301-13.333.90.55, -0.270.610.008696549
2025-11-18 20:57:5914-8.3-38.6-12.91.5386-13.334.00.55, -0.270.610.008696550
2025-11-18 21:01:5915-11.2-46.0-14.12.1484-13.234.00.55, -0.270.611.028696552
2025-11-18 21:03:5916-14.3-49.4-14.53.7643-13.134.00.55, -0.260.611.258696553
2025-11-18 21:05:5917-15.4-53.3-15.43.8653-13.034.00.55, -0.260.610.008696554
2025-11-18 21:07:5918-16.3-57.0-15.73.4697-13.034.10.55, -0.260.610.008696555
2025-11-18 21:09:5919-19.3-59.6-13.63.6896-12.834.00.55, -0.260.611.108696556
2025-11-18 21:11:5920-21.1-60.4-12.84.8971-12.833.90.55, -0.260.610.848696557
2025-11-18 21:13:5921-22.6-62.3-11.95.21040-12.833.80.55, -0.260.610.008696558
2025-11-18 21:15:5922-20.7-60.7-13.35.2971-12.833.90.55, -0.260.610.008696559
2025-11-18 21:17:5923-18.4-61.1-14.43.4822-12.834.00.55, -0.260.610.008696560
2025-11-18 21:19:5924-22.9-64.4-13.66.31090-12.833.90.55, -0.260.610.008696561
2025-11-18 21:21:5925-25.2-65.7-12.08.41305-12.933.90.55, -0.260.610.008696562
2025-11-18 21:23:5926-25.7-65.9-11.99.41335-12.933.90.55, -0.260.610.008696563
2025-11-18 21:25:5927-27.1-66.9-12.311.31399-12.933.90.55, -0.260.610.008696564
2025-11-18 21:27:5928-26.9-65.9-12.313.11441-12.833.80.55, -0.260.610.008696565
2025-11-18 21:29:5929-28.0-63.2-11.114.91589-12.833.90.55, -0.260.610.008696566
2025-11-18 21:31:5930-28.8-62.4-11.415.41663-12.833.90.55, -0.260.610.008696567
2025-11-18 21:33:5931-30.3-64.6-11.016.517856.6-68.8-0.94, 0.100.940.008696568
2025-11-18 21:35:5932-29.4-57.1-11.316.018005.8-68.9-0.94, 0.090.940.008696569

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 )