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 21258
Detector 14 day operating status:

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


Overview for dimming #:
   21258           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 #: 21258          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-01-16 05:45:5910.00.00.00.00 , 0.008777089
2026-01-16 05:47:5920.00.00.00.00 , 0.008777090
2026-01-16 05:49:5930.00.00.00.00 , 0.008777091
2026-01-16 05:51:5940.00.00.00.00 , 0.008777092
2026-01-16 05:53:5950.00.00.00.00 , 0.008777093
2026-01-16 05:55:5960.00.00.00.00 , 0.008777094
2026-01-16 05:57:597-0.8-10.2-35.00.224 , 0.008777095
2026-01-16 05:59:598-1.1-13.5-32.60.235 , 0.008777096
2026-01-16 06:01:599-1.8-19.2-33.10.457 , 3.928777097
2026-01-16 06:03:5910-2.2-21.5-28.70.574 , 1.048777098
2026-01-16 06:05:5911-2.3-21.6-28.20.681 , 2.248777099
2026-01-16 06:07:5912-2.2-21.2-28.90.573 , 0.008777100
2026-01-16 06:09:5913-1.9-18.7-27.80.564 , 0.008777101
2026-01-16 06:11:5914-1.7-18.1-28.20.460 , 0.008777102
2026-01-16 06:13:5915-1.2-14.3-29.10.341 , 0.008777103
2026-01-16 06:15:5916-1.2-14.3-28.30.341 , 0.008777104
2026-01-16 06:17:5917-1.1-14.0-31.50.338 , 0.008777105
2026-01-16 06:19:5918-1.3-15.7-30.10.344 , 0.008777106
2026-01-16 06:21:5919-1.8-18.7-30.00.4608.6-62.6-0.89, 0.190.910.008777107
2026-01-16 06:23:5920-1.8-19.5-31.70.4578.6-62.6-0.89, 0.190.910.008777108
2026-01-16 06:25:5921-1.9-20.2-31.50.4588.6-62.5-0.89, 0.190.910.008777109
2026-01-16 06:27:5922-1.8-19.6-32.10.4548.5-62.4-0.89, 0.190.910.008777110
2026-01-16 06:29:5923-1.7-18.9-32.60.4528.4-62.4-0.89, 0.180.910.008777111

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 )