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 20820
Detector 14 day operating status:

Last detected dimming:
   199 hours and 11 minutes ago (2025-12-06 23:37 UTC)


Overview for dimming #:
   20820           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 #: 20820          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-23 01:27:5910.00.00.00.00 , 0.008702444
2025-11-23 01:29:5920.00.00.00.00 , 0.008702445
2025-11-23 01:31:5930.00.00.00.00 , 0.008702446
2025-11-23 01:33:5940.00.00.00.00 , 0.008702447
2025-11-23 01:35:5950.00.00.00.00 , 0.008702448
2025-11-23 01:37:5960.00.00.00.00 , 0.008702449
2025-11-23 01:39:597-3.4-16.0-10.40.0265 , 0.008702450
2025-11-23 01:41:598-5.6-19.8-10.40.2434-1.06, 0.031.061.118702451
2025-11-23 01:43:599-7.4-22.6-10.00.5587-1.06, 0.031.062.148702452
2025-11-23 01:45:5910-9.8-25.8-10.81.2765-1.07, 0.031.071.608702453
2025-11-23 01:47:5911-13.0-27.6-11.11.91020-1.07, 0.031.071.448702454
2025-11-23 01:49:5912-16.2-28.4-11.13.01286-1.07, 0.031.070.958702455
2025-11-23 01:51:5913-19.1-29.6-11.83.51461-1.06, 0.021.061.028702456
2025-11-23 01:53:5914-21.3-30.6-11.94.11584-1.06, 0.021.060.008702457
2025-11-23 01:55:5915-23.9-32.0-12.34.91716-1.06, 0.021.060.008702458
2025-11-23 01:57:5916-27.2-32.2-13.55.91862-1.06, 0.031.060.008702459
2025-11-23 01:59:5917-29.8-32.8-13.86.31995-1.05, 0.021.050.008702460
2025-11-23 02:01:5918-32.3-33.6-14.16.92137-1.05, 0.021.051.778702461
2025-11-23 02:03:5919-33.6-32.6-13.87.62221-1.05, 0.021.050.008702462
2025-11-23 02:05:5920-35.7-33.2-13.78.22396-1.05, 0.021.050.008702463
2025-11-23 02:07:5921-36.7-32.6-13.58.52416-1.04, 0.031.040.008702464
2025-11-23 02:09:5922-39.3-33.2-13.99.12544-1.04, 0.021.040.008702465
2025-11-23 02:11:5923-42.5-34.2-14.010.22708-1.04, 0.021.040.008702466
2025-11-23 02:13:5924-44.2-34.3-13.910.62783-1.03, 0.021.030.008702467
2025-11-23 02:15:5925-46.4-34.6-14.311.02859-1.03, 0.021.030.008702468
2025-11-23 02:17:5926-47.6-34.8-14.311.12880-1.03, 0.021.030.008702469
2025-11-23 02:19:5927-49.2-34.9-14.611.72934-1.02, 0.021.020.008702470
2025-11-23 02:21:5928-50.0-35.2-14.711.62959-1.02, 0.021.020.008702471
2025-11-23 02:23:5929-52.2-35.4-14.812.23051-1.03, 0.031.030.008702472
2025-11-23 02:25:5930-52.7-34.1-15.012.23068-1.03, 0.031.030.008702473

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 )