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 21501
Detector 14 day operating status:

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


Overview for dimming #:
   21501           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 #: 21501          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-03-18 03:59:5910.00.00.00.00 , 0.008829034
2026-03-18 04:01:5920.00.00.00.00 , 0.008829035
2026-03-18 04:03:5930.00.00.00.00 , 0.008829036
2026-03-18 04:05:594-0.2-3.1-16.90.014 , 0.008829037
2026-03-18 04:07:595-1.6-14.7-18.60.079-1.05, 0.351.110.008829038
2026-03-18 04:09:596-1.5-15.1-20.60.071-1.05, 0.341.110.008829039
2026-03-18 04:11:597-3.3-20.0-14.40.0191-1.05, 0.351.110.938829040
2026-03-18 04:13:598-8.5-29.2-13.80.0475-1.05, 0.351.111.078829041
2026-03-18 04:15:599-12.2-35.5-15.20.0639-1.05, 0.351.111.208829042
2026-03-18 04:17:5910-15.9-39.7-15.20.0848-1.05, 0.351.111.318829043
2026-03-18 04:19:5911-18.4-41.8-14.90.0980-1.05, 0.351.111.218829044
2026-03-18 04:21:5912-20.8-43.2-14.20.01112-1.05, 0.361.110.008829045
2026-03-18 04:23:5913-22.7-44.8-13.80.01232-1.05, 0.361.110.008829046
2026-03-18 04:25:5914-23.2-45.2-13.70.01278-1.05, 0.361.110.008829047
2026-03-18 04:27:5915-24.1-44.9-13.60.01366-1.05, 0.361.110.008829048
2026-03-18 04:29:5916-25.2-44.2-13.20.01482-1.05, 0.361.110.008829049
2026-03-18 04:31:5917-26.8-44.5-13.50.01583-1.05, 0.361.110.008829050
2026-03-18 04:33:5918-28.4-45.4-13.30.01695-1.05, 0.361.110.008829051
2026-03-18 04:35:5919-29.1-44.7-13.40.01717-1.05, 0.361.110.008829052
2026-03-18 04:37:5920-30.8-43.9-13.40.01801-1.05, 0.361.110.008829053
2026-03-18 04:39:5921-31.8-44.1-13.30.01869-1.05, 0.361.110.008829054
2026-03-18 04:41:5922-33.2-45.1-13.10.01965-1.05, 0.361.110.008829055
2026-03-18 04:43:5923-33.2-44.2-13.60.01960-1.05, 0.361.110.008829056

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 )