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 20818
Detector 14 day operating status:

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


Overview for dimming #:
   20818           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 #: 20818          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-22 18:39:5910.00.00.00.00 , 1.458701520
2025-11-22 18:41:5920.00.00.00.00 , 0.008701521
2025-11-22 18:43:5930.00.00.00.00 , 0.008701522
2025-11-22 18:45:5940.00.00.00.00 , 0.008701523
2025-11-22 18:47:5950.00.00.00.00 , 0.008701524
2025-11-22 18:49:5960.00.00.00.00 , 0.008701525
2025-11-22 18:51:5970.00.00.00.00 , 0.008701526
2025-11-22 18:53:5980.00.00.00.00 , 0.008701527
2025-11-22 18:55:599-0.9-8.8-16.10.058 , 1.848701528
2025-11-22 18:57:5910-26.6-18.8-11.90.02157-1.09, -0.391.166.308701529
2025-11-22 18:59:5911-43.9-26.4-15.50.02828-1.08, -0.441.1710.518701530
2025-11-22 19:01:5912-52.9-28.5-16.20.03124-1.09, -0.431.1711.478701531
2025-11-22 19:03:5913-54.4-28.3-17.00.03164-1.09, -0.411.178.148701532
2025-11-22 19:05:5914-54.6-28.6-17.00.03175-1.09, -0.391.165.228701533
2025-11-22 19:07:5915-53.0-30.7-16.80.03035-1.10, -0.381.163.808701534
2025-11-22 19:09:5916-54.6-33.0-17.40.02991-1.10, -0.371.163.938701535
2025-11-22 19:11:5917-58.5-35.3-18.10.03084-1.09, -0.371.152.878701536
2025-11-22 19:13:5918-65.1-36.5-17.90.03383-1.09, -0.381.159.588701537
2025-11-22 19:15:5919-74.5-38.0-18.00.03839-1.09, -0.371.1516.198701538
2025-11-22 19:17:5920-84.2-41.2-18.10.04284-1.09, -0.361.1523.648701539
2025-11-22 19:19:5921-92.4-42.5-18.40.04607-1.09, -0.361.1528.278701540
2025-11-22 19:21:5922-98.6-43.3-18.40.04838-1.10, -0.351.1518.218701541
2025-11-22 19:23:5923-103.2-44.4-18.90.04906-1.10, -0.351.1512.268701542
2025-11-22 19:25:5924-107.2-45.2-19.60.04967-1.10, -0.351.156.028701543
2025-11-22 19:27:5925-110.6-44.8-20.10.05001-1.10, -0.341.150.008701544
2025-11-22 19:29:5926-114.7-46.5-21.20.05056-1.10, -0.341.150.008701545
2025-11-22 19:31:5927-118.6-47.7-21.70.05139-1.10, -0.331.151.208701546
2025-11-22 19:33:5928-122.5-48.6-21.80.05227-1.10, -0.331.150.988701547
2025-11-22 19:35:5929-126.6-48.7-22.40.05323-1.10, -0.331.150.978701548
2025-11-22 19:37:5930-128.9-49.1-22.90.05343-1.10, -0.321.150.008701549
2025-11-22 19:39:5931-131.0-49.4-23.10.05413-1.10, -0.321.150.008701550
2025-11-22 19:41:5932-133.4-50.0-23.20.05452-1.10, -0.321.150.008701551
2025-11-22 19:43:5933-134.3-50.0-23.40.05476-1.10, -0.321.150.008701552
2025-11-22 19:45:5934-137.1-50.1-23.70.05519-1.10, -0.321.140.008701553
2025-11-22 19:47:5935-139.9-50.5-24.20.05546-1.10, -0.311.140.008701554
2025-11-22 19:49:5936-142.8-51.2-24.70.05598-1.10, -0.311.140.008701555
2025-11-22 19:51:5937-145.5-51.9-25.00.05652-1.10, -0.321.140.008701556
2025-11-22 19:53:5938-147.8-52.9-25.70.05655-1.10, -0.321.140.008701557
2025-11-22 19:55:5939-149.0-53.4-25.50.05683-1.10, -0.321.140.008701558
2025-11-22 19:57:5940-151.2-54.0-25.90.05718-1.10, -0.321.140.008701559
2025-11-22 19:59:5941-152.9-53.8-26.30.05751-1.10, -0.311.140.008701560

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 )