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 21470
Detector 14 day operating status:

Last detected dimming:
   208 hours and 15 minutes ago (2026-03-16 15:29 UTC)


Overview for dimming #:
   21470           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 #: 21470          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-03-08 14:15:5910.00.00.00.00 , 0.008819644
2026-03-08 14:17:592-2.6-9.7-8.91.225817.5-39.0-0.61, 0.400.720.008819645
2026-03-08 14:19:593-5.5-13.4-11.52.146717.2-38.2-0.60, 0.390.720.008819646
2026-03-08 14:21:594-9.1-17.0-13.13.066715.8-36.4-0.58, 0.370.690.008819647
2026-03-08 14:23:595-12.5-20.8-14.53.883715.8-36.7-0.58, 0.370.690.008819648
2026-03-08 14:25:596-15.6-25.2-13.44.7102615.7-36.6-0.58, 0.370.690.008819649
2026-03-08 14:27:597-18.1-27.5-13.85.2113615.5-36.4-0.58, 0.370.690.008819650
2026-03-08 14:29:598-21.6-29.5-12.96.3137515.3-36.2-0.58, 0.360.680.008819651
2026-03-08 14:31:599-24.9-31.9-12.57.3157615.1-36.0-0.57, 0.360.681.038819652
2026-03-08 14:33:5910-27.1-33.0-12.67.7166215.2-36.1-0.58, 0.360.680.008819653
2026-03-08 14:35:5911-28.9-32.5-12.48.1176115.2-36.1-0.58, 0.360.680.878819654
2026-03-08 14:37:5912-31.5-33.9-12.78.9190615.3-36.1-0.58, 0.360.680.008819655
2026-03-08 14:39:5913-33.8-36.4-12.19.5205215.4-36.2-0.58, 0.370.680.008819656
2026-03-08 14:41:5914-36.4-37.1-11.210.6225715.5-36.3-0.58, 0.370.680.008819657
2026-03-08 14:43:5915-39.1-36.8-11.211.6245415.7-36.5-0.58, 0.370.690.008819658
2026-03-08 14:45:5916-41.5-38.2-11.312.1255715.7-36.4-0.58, 0.370.690.008819659
2026-03-08 14:47:5917-44.3-39.4-11.412.9272615.9-36.6-0.58, 0.370.690.008819660
2026-03-08 14:49:5918-46.3-40.0-11.913.4283615.9-36.6-0.58, 0.370.690.008819661
2026-03-08 14:51:5919-48.9-40.5-12.213.9294215.9-36.6-0.58, 0.370.690.008819662
2026-03-08 14:53:5920-50.6-41.4-12.614.1298215.9-36.6-0.58, 0.370.690.008819663
2026-03-08 14:55:5921-51.7-41.6-13.014.1299115.9-36.7-0.58, 0.370.690.008819664

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 )