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 21496
Detector 14 day operating status:

Last detected dimming:
   302 hours and 53 minutes ago (2026-03-23 23:39 UTC)


Overview for dimming #:
   21496           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 #: 21496          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-03-17 11:45:5910.00.00.00.00 , 0.008827827
2026-03-17 11:47:5920.00.00.00.00 , 0.008827828
2026-03-17 11:49:5930.00.00.00.00 , 0.008827829
2026-03-17 11:51:5940.00.00.00.00 , 0.008827830
2026-03-17 11:53:5950.00.00.00.00 , 0.008827831
2026-03-17 11:55:596-0.2-1.9-12.80.116 , 0.008827832
2026-03-17 11:57:597-1.0-7.9-11.90.271 , 0.008827833
2026-03-17 11:59:598-2.3-13.2-13.90.5165-26.8-9.8-0.15, -0.340.382.338827834
2026-03-17 12:01:599-4.7-15.5-13.31.1331-26.6-9.5-0.15, -0.340.372.088827835
2026-03-17 12:03:5910-8.3-18.7-12.02.0612-26.3-9.6-0.15, -0.330.371.418827836
2026-03-17 12:05:5911-10.0-19.8-12.82.3710-26.0-9.8-0.15, -0.330.360.008827837
2026-03-17 12:07:5912-14.0-21.5-12.03.41041-25.8-9.9-0.16, -0.330.360.008827838
2026-03-17 12:09:5913-16.9-24.6-11.64.11243-25.8-9.9-0.16, -0.330.360.008827839
2026-03-17 12:11:5914-18.7-26.4-12.24.41325-25.9-9.6-0.15, -0.330.360.008827840
2026-03-17 12:13:5915-21.7-27.3-12.55.01517-25.8-9.5-0.15, -0.330.360.008827841
2026-03-17 12:15:5916-24.2-28.8-13.35.41619-25.8-9.5-0.15, -0.330.360.008827842
2026-03-17 12:17:5917-26.1-29.4-13.25.81739-25.9-9.3-0.15, -0.330.360.008827843
2026-03-17 12:19:5918-28.2-31.7-13.66.01809-26.0-9.4-0.15, -0.330.360.008827844
2026-03-17 12:21:5919-30.3-32.0-14.16.31904-25.5-9.0-0.14, -0.320.351.178827845
2026-03-17 12:23:5920-31.9-34.1-14.36.51966-25.8-9.2-0.15, -0.330.360.908827846
2026-03-17 12:25:5921-34.6-36.7-14.56.92073-25.8-9.2-0.15, -0.330.360.008827847
2026-03-17 12:27:5922-36.6-37.3-14.87.12141-25.9-9.1-0.14, -0.330.360.978827848

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 )