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 20938
Detector 14 day operating status:

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


Overview for dimming #:
   20938           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 #: 20938          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-05 15:57:5910.00.00.00.00 , 0.008720055
2025-12-05 15:59:5920.00.00.00.00 , 0.008720056
2025-12-05 16:01:593-0.2-1.2-25.50.07 , 0.008720057
2025-12-05 16:03:594-0.4-5.1-30.80.115 , 0.008720058
2025-12-05 16:05:595-0.6-7.3-34.80.11821.2-28.7-0.45, 0.360.580.868720059
2025-12-05 16:07:596-0.9-10.5-34.60.12621.3-28.7-0.45, 0.360.580.008720060
2025-12-05 16:09:597-0.9-11.1-34.40.12621.3-28.7-0.45, 0.360.580.008720061
2025-12-05 16:11:598-1.4-15.9-36.90.13721.4-28.5-0.45, 0.370.580.008720062
2025-12-05 16:13:599-1.3-14.0-36.80.13421.4-28.5-0.45, 0.370.587.618720063
2025-12-05 16:15:5910-1.1-12.8-37.40.13121.3-28.7-0.45, 0.360.585.838720064
2025-12-05 16:17:5911-1.8-16.6-40.40.13921.6-28.3-0.45, 0.370.584.738720065
2025-12-05 16:19:5912-1.8-16.1-36.00.24421.6-28.3-0.45, 0.370.582.148720066
2025-12-05 16:21:5913-1.1-8.6-32.90.12721.6-28.3-0.45, 0.370.581.098720067
2025-12-05 16:23:5914-0.5-6.5-33.70.11621.2-28.6-0.45, 0.360.580.008720068
2025-12-05 16:25:5915-0.4-5.0-29.50.11421.3-28.7-0.45, 0.360.580.008720069
2025-12-05 16:27:5916-0.6-4.8-21.30.12721.1-28.9-0.46, 0.360.580.008720070
2025-12-05 16:29:5917-0.8-4.9-22.10.13822.4-26.0-0.41, 0.380.560.008720071
2025-12-05 16:31:5918-1.3-8.3-23.40.25423.1-18.6-0.30, 0.390.490.008720072
2025-12-05 16:33:5919-5.6-15.1-27.00.721318.8-14.3-0.24, 0.320.401.408720073
2025-12-05 16:35:5920-5.3-13.8-26.90.719719.6-14.6-0.24, 0.330.411.438720074
2025-12-05 16:37:5921-5.2-14.7-26.70.619219.5-14.4-0.24, 0.330.410.938720075
2025-12-05 16:39:5922-7.1-14.2-26.80.720423.6-15.4-0.25, 0.400.470.008720076
2025-12-05 16:41:5923-8.8-27.7-23.00.926423.2-14.9-0.24, 0.400.460.008720077
2025-12-05 16:43:5924-10.1-33.7-13.11.439322.7-14.8-0.24, 0.390.450.008720078

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 )