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 21025
Detector 14 day operating status:

Last detected dimming:
   220 hours and 41 minutes ago (2026-01-04 22:23 UTC)


Overview for dimming #:
   21025           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 #: 21025          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-20 11:59:5910.00.00.00.00 , 0.008738644
2025-12-20 12:01:5920.00.00.00.00 , 0.008738645
2025-12-20 12:03:5930.00.00.00.00 , 0.988738646
2025-12-20 12:05:5940.00.00.00.00 , 1.218738647
2025-12-20 12:07:5950.00.00.00.00 , 1.308738648
2025-12-20 12:09:5960.00.00.00.00 , 1.368738649
2025-12-20 12:11:5970.00.0-25.70.01 , 1.278738650
2025-12-20 12:13:598-1.0-12.0-26.80.039-1.16, 0.221.182.008738651
2025-12-20 12:15:599-2.4-20.5-31.40.079-1.16, 0.221.182.408738652
2025-12-20 12:17:5910-6.4-37.8-41.30.0148-1.15, 0.221.182.918738653
2025-12-20 12:19:5911-10.3-49.6-45.00.0218-1.15, 0.221.173.008738654
2025-12-20 12:21:5912-13.3-59.7-45.00.0278-1.15, 0.231.182.738738655
2025-12-20 12:23:5913-14.7-65.3-45.00.0299-1.15, 0.231.182.388738656
2025-12-20 12:25:5914-16.3-69.6-42.50.0332-1.15, 0.231.182.028738657
2025-12-20 12:27:5915-17.8-70.2-44.50.0354-1.15, 0.231.182.168738658
2025-12-20 12:29:5916-19.8-74.2-45.30.0395-1.15, 0.231.181.928738659
2025-12-20 12:31:5917-21.6-75.0-46.20.0435-1.15, 0.231.181.998738660
2025-12-20 12:33:5918-23.7-77.7-45.70.0478-1.15, 0.231.182.718738661
2025-12-20 12:35:5919-25.7-77.9-46.30.0510-1.15, 0.231.183.268738662
2025-12-20 12:37:5920-27.2-81.2-47.60.0527-1.15, 0.231.173.318738663
2025-12-20 12:39:5921-29.2-84.0-48.10.0556-1.15, 0.231.183.088738664
2025-12-20 12:41:5922-30.7-85.2-47.80.0593-1.15, 0.231.172.318738665
2025-12-20 12:43:5923-32.6-86.3-47.20.0627-1.15, 0.231.172.418738666
2025-12-20 12:45:5924-34.2-86.5-46.10.0668-1.15, 0.231.181.508738667
2025-12-20 12:47:5925-35.8-88.4-47.40.0686-1.15, 0.231.181.868738668
2025-12-20 12:49:5926-37.4-90.3-44.90.0732-1.15, 0.231.181.478738669
2025-12-20 12:51:5927-40.0-91.8-45.10.0779-1.15, 0.231.172.098738670
2025-12-20 12:53:5928-41.3-92.4-44.90.0824-1.15, 0.231.172.588738671
2025-12-20 12:55:5929-41.8-93.2-44.40.0841-1.15, 0.231.172.698738672
2025-12-20 12:57:5930-43.6-94.4-45.30.0874-1.15, 0.231.172.748738673
2025-12-20 12:59:5931-45.5-94.9-45.60.0904-1.15, 0.231.172.468738674
2025-12-20 13:01:5932-46.4-94.5-44.20.0934-1.15, 0.231.171.778738675
2025-12-20 13:03:5933-47.9-96.1-44.00.0969-1.15, 0.231.171.848738676
2025-12-20 13:05:5934-51.1-99.1-37.40.01132-1.15, 0.231.171.428738677
2025-12-20 13:07:5935-53.1-99.8-33.60.01226-1.15, 0.231.171.338738678
2025-12-20 13:09:5936-54.0-100.3-34.50.01228-1.15, 0.231.171.658738679
2025-12-20 13:11:5937-55.1-100.6-33.70.01264-1.15, 0.231.170.908738680
2025-12-20 13:13:5938-56.4-101.5-34.30.01282-1.15, 0.231.170.008738681
2025-12-20 13:15:5939-58.5-101.7-33.20.01332-1.15, 0.231.170.008738682
2025-12-20 13:17:5940-57.5-102.4-36.80.01245-1.15, 0.231.170.008738683
2025-12-20 13:19:5941-59.7-101.9-33.00.01372-1.15, 0.231.170.008738684
2025-12-20 13:21:5942-61.5-103.0-32.70.01403-1.15, 0.231.170.008738685
2025-12-20 13:23:5943-62.7-104.3-34.00.01416-1.15, 0.231.170.008738686
2025-12-20 13:25:5944-64.3-106.0-32.30.01472-1.15, 0.231.170.008738687
2025-12-20 13:27:5945-65.9-105.7-31.90.01531-1.15, 0.231.170.008738688
2025-12-20 13:29:5946-68.1-107.2-31.00.31589-1.15, 0.231.170.008738689
2025-12-20 13:31:5947-70.0-107.9-31.10.01626-1.15, 0.231.170.008738690
2025-12-20 13:33:5948-74.5-122.4-31.10.01698-1.14, 0.231.170.008738691

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 )