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 20294
Detector 14 day operating status:

Last detected dimming:
   202 hours and 11 minutes ago (2025-10-03 21:29 UTC)


Overview for dimming #:
   20294           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 #: 20294          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-27 19:15:5910.00.00.00.00 , 0.008621509
2025-09-27 19:17:5920.00.00.00.00 , 0.008621510
2025-09-27 19:19:5930.00.00.00.00 , 0.008621511
2025-09-27 19:21:594-1.2-12.1-16.20.262 , 0.008621512
2025-09-27 19:23:595-2.7-18.8-17.50.5147 , 0.008621513
2025-09-27 19:25:596-6.7-23.9-19.21.03339.9-10.5-0.18, 0.060.190.008621514
2025-09-27 19:27:597-9.5-29.3-19.91.44449.8-10.6-0.18, 0.050.190.008621515
2025-09-27 19:29:598-12.7-35.2-19.91.75429.9-10.4-0.18, 0.060.190.008621516
2025-09-27 19:31:599-15.5-38.8-22.62.06229.8-10.3-0.18, 0.050.191.218621517
2025-09-27 19:33:5910-18.0-42.0-23.32.270310.0-9.9-0.17, 0.060.180.008621518
2025-09-27 19:35:5911-19.0-45.2-23.62.372410.3-9.4-0.16, 0.060.170.008621519
2025-09-27 19:37:5912-20.9-48.8-24.92.476010.5-9.0-0.16, 0.070.170.008621520
2025-09-27 19:39:5913-24.1-53.4-26.72.579310.3-9.2-0.16, 0.060.170.008621521
2025-09-27 19:41:5914-26.5-57.2-27.02.683310.0-9.4-0.16, 0.060.170.008621522
2025-09-27 19:43:5915-29.1-63.3-25.22.99279.9-9.3-0.16, 0.060.170.008621523
2025-09-27 19:45:5916-29.8-60.5-23.13.110039.8-9.0-0.16, 0.050.160.008621524
2025-09-27 19:47:5917-29.6-61.2-23.23.2100510.0-8.8-0.15, 0.060.160.008621525
2025-09-27 19:49:5918-28.0-61.7-21.53.2102410.4-8.1-0.14, 0.060.150.008621526
2025-09-27 19:51:5919-27.6-61.1-21.53.2102210.0-7.7-0.13, 0.060.150.008621527
2025-09-27 19:53:5920-28.2-61.4-21.43.410729.9-7.5-0.13, 0.050.140.008621528
2025-09-27 19:55:5921-29.2-60.4-19.33.611479.3-7.1-0.12, 0.040.130.008621529

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 )