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 21037
Detector 14 day operating status:

Last detected dimming:
   221 hours and 55 minutes ago (2026-01-03 23:07 UTC)


Overview for dimming #:
   21037           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 #: 21037          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-21 20:41:5910.00.00.00.00 , 1.478740345
2025-12-21 20:43:5920.00.00.00.00 , 0.008740346
2025-12-21 20:45:5930.00.00.00.00 , 0.008740347
2025-12-21 20:47:5940.00.00.00.00 , 0.008740348
2025-12-21 20:49:5950.00.00.00.00 , 0.008740349
2025-12-21 20:51:5960.00.00.00.00 , 0.008740350
2025-12-21 20:53:5970.00.00.00.00 , 0.008740351
2025-12-21 20:55:5980.00.00.00.00 , 0.008740352
2025-12-21 20:57:599-0.1-0.8-24.20.06 , 10.088740353
2025-12-21 21:01:5910-20.6-143.0-16.41.4417-7.9-25.8-0.44, -0.110.4517.928740355
2025-12-21 21:03:5911-25.6-216.8-15.71.5431-8.0-25.7-0.43, -0.110.4522.478740356
2025-12-21 21:05:5912-36.7-266.3-17.32.2648-8.1-25.5-0.43, -0.110.4516.888740357
2025-12-21 21:07:5913-66.5-415.8-18.33.3975-8.0-25.4-0.43, -0.110.4412.558740358
2025-12-21 21:09:5914-84.4-478.1-18.23.61069-8.2-25.2-0.43, -0.120.4410.138740359
2025-12-21 21:11:5915-92.4-507.1-16.04.61355-8.3-25.2-0.43, -0.120.441.158740360
2025-12-21 21:13:5916-97.3-532.0-15.54.91410-8.3-25.2-0.43, -0.120.440.008740361
2025-12-21 21:15:5917-86.5-498.2-14.55.31499-8.4-25.1-0.43, -0.120.440.008740362
2025-12-21 21:17:5918-73.5-447.5-14.84.81344-8.5-25.2-0.43, -0.120.440.008740363
2025-12-21 21:19:5919-56.3-322.3-14.24.81309-8.6-25.2-0.43, -0.120.440.008740364
2025-12-21 21:21:5920-43.3-186.5-14.74.71288-8.8-25.3-0.43, -0.130.450.008740365
2025-12-21 21:23:5921-39.8-199.4-14.04.91329-8.4-25.8-0.44, -0.120.450.008740366
2025-12-21 21:25:5922-27.5-60.4-14.74.91316-7.3-27.8-0.47, -0.100.480.008740367
2025-12-21 21:27:5923-27.8-59.2-14.75.11366-5.8-28.6-0.48, -0.070.490.008740368
2025-12-21 21:29:5924-31.4-83.2-15.25.41430-6.5-28.7-0.48, -0.090.490.008740369
2025-12-21 21:31:5925-30.5-40.0-14.96.01584-4.9-31.0-0.52, -0.060.520.008740370
2025-12-21 21:33:5926-36.2-56.1-14.86.81785-6.3-30.2-0.51, -0.080.510.008740371

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 )