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 21036
Detector 14 day operating status:

Last detected dimming:
   220 hours and 55 minutes ago (2026-01-02 22:49 UTC)


Overview for dimming #:
   21036           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 #: 21036          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-21 19:51:5910.00.00.00.00 , 1.088740320
2025-12-21 19:53:5920.00.00.00.00 , 0.008740321
2025-12-21 19:55:5930.00.00.00.00 , 0.008740322
2025-12-21 19:57:5940.00.00.00.00 , 0.008740323
2025-12-21 19:59:5950.00.00.00.00 , 0.878740324
2025-12-21 20:01:5960.00.00.00.00 , 0.008740325
2025-12-21 20:03:597-1.5-9.7-11.20.4120 , 0.008740326
2025-12-21 20:05:598-10.0-113.9-134.10.245 , 0.008740327
2025-12-21 20:07:599-17.8-137.0-13.61.4432-9.1-25.6-0.43, -0.130.4514.998740328
2025-12-21 20:09:5910-15.8-109.6-12.21.7521-9.1-25.6-0.43, -0.130.4510.208740329
2025-12-21 20:11:5911-15.0-123.1-16.01.0320-9.1-25.5-0.43, -0.130.451.148740330
2025-12-21 20:13:5912-18.1-159.1-13.81.3399-9.0-25.4-0.43, -0.130.450.008740331
2025-12-21 20:15:5913-16.1-90.2-14.81.3412-8.6-25.3-0.43, -0.120.450.008740332
2025-12-21 20:17:5914-6.5-18.0-15.01.0312-9.2-23.0-0.39, -0.130.410.008740333
2025-12-21 20:19:5915-5.2-17.1-11.11.2365-11.3-19.4-0.33, -0.170.370.008740334
2025-12-21 20:21:5916-5.6-16.8-11.11.4435-12.4-17.5-0.30, -0.190.350.008740335
2025-12-21 20:23:5917-4.4-16.7-12.01.0318-12.9-16.6-0.28, -0.200.340.008740336
2025-12-21 20:25:5918-5.1-18.9-11.91.2360-12.8-16.8-0.29, -0.200.350.008740337
2025-12-21 20:27:5919-6.1-20.5-13.21.3403-12.9-16.7-0.28, -0.200.350.008740338
2025-12-21 20:29:5920-6.0-21.6-14.31.2370-12.9-16.5-0.28, -0.200.340.008740339
2025-12-21 20:31:5921-5.7-21.3-13.31.2361-12.9-16.5-0.28, -0.200.340.008740340
2025-12-21 20:33:5922-5.4-20.5-14.51.1335-13.0-16.6-0.28, -0.200.340.008740341

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 )