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 21254
Detector 14 day operating status:

Last detected dimming:
   529 hours and 22 minutes ago (2026-01-18 23:51 UTC)


Overview for dimming #:
   21254           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 #: 21254          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-01-15 01:35:5910.00.00.00.00 , 0.008775529
2026-01-15 01:37:5920.00.00.00.00 , 0.008775530
2026-01-15 01:39:5930.00.00.00.00 , 0.008775531
2026-01-15 01:41:5940.00.00.00.00 , 0.008775532
2026-01-15 01:43:595-2.8-6.6-6.80.04010.47, 0.941.050.008775533
2026-01-15 01:45:596-4.4-7.5-7.10.06180.49, 0.931.050.008775534
2026-01-15 01:47:597-5.4-8.0-7.10.07460.50, 0.931.060.008775535
2026-01-15 01:49:598-6.5-8.5-7.40.08750.52, 0.921.060.008775536
2026-01-15 01:51:599-6.7-8.7-7.60.08820.53, 0.921.060.868775537
2026-01-15 01:53:5910-8.2-8.4-7.10.011330.51, 0.931.060.988775538
2026-01-15 01:55:5911-7.9-8.4-7.30.010800.51, 0.931.060.008775539
2026-01-15 01:57:5912-10.1-8.5-7.20.013970.52, 0.921.060.008775540
2026-01-15 01:59:5913-11.7-8.9-7.00.016040.54, 0.911.060.008775541
2026-01-15 02:01:5914-14.3-9.1-7.10.019440.55, 0.901.060.008775542
2026-01-15 02:03:5915-14.6-9.4-7.10.019890.56, 0.891.050.008775543
2026-01-15 02:05:5916-16.3-9.5-7.10.022030.56, 0.891.050.008775544
2026-01-15 02:07:5917-16.6-9.2-7.20.022500.55, 0.901.050.008775545
2026-01-15 02:09:5918-17.6-9.2-7.10.023870.54, 0.901.050.008775546
2026-01-15 02:11:5919-17.9-9.5-7.30.023780.55, 0.891.050.008775547
2026-01-15 02:13:5920-18.3-9.9-7.30.023890.55, 0.891.050.008775548
2026-01-15 02:15:5921-17.8-10.2-7.30.023340.55, 0.901.050.008775549
2026-01-15 02:17:5922-18.6-10.3-7.50.024140.54, 0.901.050.008775550

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 )