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 21396
Detector 14 day operating status:

Last detected dimming:
   220 hours and 20 minutes ago (2026-03-03 19:29 UTC)


Overview for dimming #:
   21396           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 #: 21396          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-02-27 04:13:5910.00.00.00.00 , 0.008807896
2026-02-27 04:15:5920.00.00.00.00 , 0.008807897
2026-02-27 04:17:5930.00.00.00.00 , 0.008807898
2026-02-27 04:19:5940.00.00.00.00 , 0.008807899
2026-02-27 04:21:5950.00.00.00.00 , 0.008807900
2026-02-27 04:23:5960.00.00.00.00 , 0.008807901
2026-02-27 04:25:597-0.3-1.8-22.70.01126.1-28.1-0.43, 0.540.691.018807902
2026-02-27 04:27:598-1.8-16.4-21.70.37325.8-31.7-0.48, 0.530.721.298807903
2026-02-27 04:29:599-2.7-20.9-20.10.510625.8-30.8-0.47, 0.540.711.268807904
2026-02-27 04:31:5910-3.2-21.4-19.50.613125.9-30.8-0.47, 0.540.710.998807905
2026-02-27 04:33:5911-3.4-22.4-20.10.613125.8-30.7-0.47, 0.540.710.008807906
2026-02-27 04:35:5912-4.5-24.9-22.90.716026.0-28.9-0.44, 0.540.700.008807907
2026-02-27 04:37:5913-5.6-26.4-21.40.919626.1-28.9-0.44, 0.540.700.008807908
2026-02-27 04:39:5914-6.2-26.4-17.71.023226.0-29.1-0.44, 0.540.700.008807909
2026-02-27 04:41:5915-6.2-26.8-16.41.125526.0-29.4-0.45, 0.540.700.008807910
2026-02-27 04:43:5916-6.8-27.6-17.01.328426.0-29.3-0.44, 0.540.700.008807911
2026-02-27 04:45:5917-6.5-29.0-16.01.430225.8-31.7-0.48, 0.530.720.008807912
2026-02-27 04:47:5918-6.1-27.8-15.61.329625.8-32.1-0.48, 0.530.720.008807913
2026-02-27 04:49:5919-5.7-27.6-15.51.329225.6-33.7-0.51, 0.530.730.008807914
2026-02-27 04:51:5920-5.1-26.1-17.01.124225.7-32.9-0.50, 0.530.730.008807915
2026-02-27 04:53:5921-4.3-24.9-16.50.920425.6-33.1-0.50, 0.530.730.008807916

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 )