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 21029
Detector 14 day operating status:

Last detected dimming:
   205 hours and 6 minutes ago (2026-01-03 23:07 UTC)


Overview for dimming #:
   21029           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 #: 21029          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-21 10:01:5910.00.00.00.00 , 0.008740025
2025-12-21 10:03:5920.00.00.00.00 , 0.908740026
2025-12-21 10:05:5930.00.00.00.00 , 0.888740027
2025-12-21 10:07:594-2.1-9.1-9.50.0197-1.17, 0.141.180.878740028
2025-12-21 10:09:595-4.3-13.8-10.40.0361-1.17, 0.141.180.878740029
2025-12-21 10:11:596-6.2-16.7-11.00.0488-1.17, 0.141.180.888740030
2025-12-21 10:13:597-7.7-19.0-12.10.0572-1.17, 0.141.180.898740031
2025-12-21 10:15:598-10.2-22.3-12.30.0703-1.17, 0.141.181.188740032
2025-12-21 10:17:599-12.3-25.5-14.10.0776-1.17, 0.151.181.188740033
2025-12-21 10:19:5910-14.0-28.1-14.50.0833-1.17, 0.161.181.088740034
2025-12-21 10:21:5911-15.4-31.2-14.40.0902-1.17, 0.151.181.028740035
2025-12-21 10:23:5912-16.9-33.1-15.30.0919-1.17, 0.161.180.008740036
2025-12-21 10:25:5913-19.2-35.8-16.20.01015-1.17, 0.161.181.008740037
2025-12-21 10:27:5914-21.2-39.4-16.80.01052-1.17, 0.171.181.238740038
2025-12-21 10:29:5915-24.3-44.9-17.40.01122-1.16, 0.161.181.248740039
2025-12-21 10:31:5916-27.4-47.9-18.70.01155-1.16, 0.171.171.248740040
2025-12-21 10:33:5917-30.6-51.5-19.10.01248-1.16, 0.171.170.888740041
2025-12-21 10:35:5918-33.3-54.9-19.50.01300-1.16, 0.171.170.908740042
2025-12-21 10:37:5919-35.4-60.4-19.70.01318-1.16, 0.171.170.008740043
2025-12-21 10:39:5920-37.2-62.2-20.10.01327-1.16, 0.171.170.008740044
2025-12-21 10:41:5921-39.8-63.8-21.40.01366-1.15, 0.181.170.958740045
2025-12-21 10:43:5922-42.5-68.4-21.90.01401-1.15, 0.181.172.268740046
2025-12-21 10:45:5923-45.0-70.7-22.70.01450-1.15, 0.181.172.938740047
2025-12-21 10:47:5924-46.1-72.3-22.80.01456-1.15, 0.181.171.608740048
2025-12-21 10:49:5925-48.4-74.0-23.20.01490-1.15, 0.181.161.268740049
2025-12-21 10:51:5926-51.5-75.2-24.40.01530-1.15, 0.191.161.938740050
2025-12-21 10:53:5927-54.3-76.4-24.90.01577-1.15, 0.191.162.868740051
2025-12-21 10:55:5928-57.7-78.1-25.60.01626-1.15, 0.191.162.338740052
2025-12-21 10:57:5929-63.5-78.8-27.10.01723-1.14, 0.191.162.378740053
2025-12-21 10:59:5930-66.9-79.4-27.50.01768-1.14, 0.201.162.558740054
2025-12-21 11:01:5931-69.9-79.0-28.50.01776-1.14, 0.201.162.298740055
2025-12-21 11:03:5932-75.0-78.4-28.60.01879-1.14, 0.201.152.108740056
2025-12-21 11:05:5933-76.7-79.0-28.90.01911-1.14, 0.201.150.008740057
2025-12-21 11:07:5934-80.6-80.8-29.80.01957-1.13, 0.201.150.008740058
2025-12-21 11:09:5935-84.4-85.1-30.80.02004-1.13, 0.201.150.008740059
2025-12-21 11:11:5936-88.2-87.9-31.50.02042-1.13, 0.201.150.008740060
2025-12-21 11:13:5937-91.6-89.2-31.90.02087-1.13, 0.201.150.008740061
2025-12-21 11:15:5938-94.3-90.5-32.90.02129-1.13, 0.201.150.008740062
2025-12-21 11:17:5939-98.8-92.9-33.90.02190-1.13, 0.201.150.008740063
2025-12-21 11:19:5940-101.5-99.0-34.00.02239-1.13, 0.201.150.008740064
2025-12-21 11:21:5941-104.3-100.1-35.90.02233-1.13, 0.201.150.008740065
2025-12-21 11:23:5942-107.4-105.1-36.00.02295-1.13, 0.201.150.008740066
2025-12-21 11:25:5943-110.4-109.0-36.00.02323-1.13, 0.201.150.008740067
2025-12-21 11:27:5944-112.9-113.0-37.30.02335-1.13, 0.201.150.008740068

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 )