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 21255
Detector 14 day operating status:

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


Overview for dimming #:
   21255           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

more


Details for dimming #: 21255          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-01-15 05:41:5910.00.00.00.00 , 0.008775652
2026-01-15 05:43:5920.00.00.00.00 , 0.008775653
2026-01-15 05:45:5930.00.00.00.00 , 0.008775654
2026-01-15 05:47:5940.00.00.00.00 , 0.008775655
2026-01-15 05:49:595-0.4-4.3-57.20.07 , 0.008775656
2026-01-15 05:51:596-2.4-15.6-24.00.685-3.3-61.9-0.89, -0.020.890.008775657
2026-01-15 05:53:597-6.2-25.2-26.61.5203-3.4-61.9-0.89, -0.020.890.008775658
2026-01-15 05:55:598-10.4-32.7-28.02.4326-3.3-62.1-0.89, -0.020.891.128775659
2026-01-15 05:57:599-14.1-38.7-30.23.1422-3.1-62.2-0.89, -0.020.892.028775660
2026-01-15 05:59:5910-17.8-42.0-32.23.9527-3.3-62.2-0.89, -0.020.890.008775661
2026-01-15 06:09:5911-43.0-54.1-30.99.21209-2.8-62.0-0.89, -0.010.890.008775666
2026-01-15 06:11:5912-47.9-62.1-31.010.21335-2.9-61.8-0.89, -0.010.890.008775667
2026-01-15 06:13:5913-52.3-63.7-30.111.31483-2.8-61.8-0.89, -0.010.890.008775668
2026-01-15 06:15:5914-57.8-63.7-29.213.01733-2.6-61.8-0.89, -0.010.890.008775669
2026-01-15 06:17:5915-61.2-66.7-29.313.51801-2.5-61.8-0.89, -0.010.890.008775670
2026-01-15 06:19:5916-66.2-68.0-29.414.81974-2.5-61.7-0.89, -0.010.890.008775671
2026-01-15 06:21:5917-73.8-69.2-28.316.22231-2.4-61.9-0.89, 0.000.890.008775672

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 )