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 20913
Detector 14 day operating status:

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


Overview for dimming #:
   20913           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

more


Details for dimming #: 20913          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-03 20:43:5910.00.00.00.00 , 0.008717318
2025-12-03 20:45:5920.00.00.00.00 , 0.008717319
2025-12-03 20:47:5930.00.00.00.00 , 0.008717320
2025-12-03 20:49:594-2.3-17.2-16.90.4135 , 0.008717321
2025-12-03 20:51:595-4.2-23.7-15.90.7226 , 0.008717322
2025-12-03 20:53:596-6.3-29.1-15.51.0337-3.14.00.07, -0.060.100.008717323
2025-12-03 20:55:597-8.4-32.2-14.41.3445-3.04.10.07, -0.060.100.008717324
2025-12-03 20:57:598-12.5-35.0-14.62.1691-3.14.00.07, -0.060.100.008717325
2025-12-03 21:01:599-18.9-43.3-16.32.9975 , 6.858717327
2025-12-03 21:03:5910-21.2-46.1-16.83.21066 , 7.548717328
2025-12-03 21:05:5911-22.5-48.1-16.93.41116 , 0.908717329
2025-12-03 21:07:5912-23.6-48.6-16.93.51167 , 0.008717330
2025-12-03 21:09:5913-23.1-46.9-16.73.51169 , 0.008717331
2025-12-03 21:11:5914-22.8-44.5-16.43.61182 , 0.008717332
2025-12-03 21:13:5915-21.7-43.1-15.43.51163 , 0.008717333
2025-12-03 21:15:5916-20.6-40.5-13.83.61184 , 0.008717334
2025-12-03 21:17:5917-19.8-39.6-12.93.61189 , 1.258717335
2025-12-03 21:19:5918-20.1-39.0-12.13.81274 , 6.438717336
2025-12-03 21:21:5919-22.5-37.3-11.14.81576 , 6.108717337
2025-12-03 21:23:5920-23.7-35.8-11.45.01639 , 6.418717338
2025-12-03 21:25:5921-24.3-34.4-11.75.21710 , 7.478717339
2025-12-03 21:27:5922-23.1-33.2-11.55.01637-6.81.40.02, -0.130.137.188717340
2025-12-03 21:29:5923-22.8-31.3-11.65.01644-7.60.70.01, -0.140.144.588717341
2025-12-03 21:31:5924-22.0-28.9-12.04.71547-8.7-0.10.00, -0.160.161.578717342
2025-12-03 21:33:5925-21.5-24.8-12.14.61490-10.4-1.4-0.02, -0.190.191.708717343
2025-12-03 21:35:5926-20.0-21.5-11.84.31405-10.7-2.1-0.04, -0.200.200.008717344
2025-12-03 21:37:5927-17.0-18.9-11.93.71201-10.3-2.7-0.05, -0.190.201.648717345
2025-12-03 21:39:5928-16.9-20.2-12.23.51138-13.3-4.4-0.08, -0.240.254.678717346
2025-12-03 21:41:5929-17.1-19.5-13.93.1977-12.9-5.0-0.09, -0.230.253.818717347
2025-12-03 21:43:5930-20.0-21.4-14.03.51078-14.7-5.8-0.10, -0.270.282.268717348
2025-12-03 21:45:5931-19.5-19.9-13.53.51093-13.5-6.3-0.11, -0.250.271.228717349
2025-12-03 21:47:5932-23.6-20.1-13.14.31307-14.7-5.6-0.10, -0.270.280.008717350
2025-12-03 21:49:5933-26.5-23.0-13.24.81460-14.7-5.9-0.10, -0.270.280.008717351
2025-12-03 21:51:5934-27.2-23.0-13.35.01502-14.3-6.0-0.10, -0.260.280.008717352
2025-12-03 21:53:5935-27.0-22.2-13.05.01505-13.9-6.5-0.11, -0.250.280.008717353
2025-12-03 21:55:5936-27.2-22.7-13.25.31587-12.5-7.2-0.12, -0.230.260.008717354
2025-12-03 21:57:5937-27.2-26.5-13.25.31573-12.4-7.1-0.12, -0.230.260.008717355
2025-12-03 21:59:5938-30.0-27.4-13.15.91714-12.6-6.6-0.11, -0.230.260.008717356
2025-12-03 22:01:5939-30.7-29.2-13.05.81700-13.7-6.9-0.12, -0.250.280.008717357
2025-12-03 22:03:5940-33.2-31.7-13.26.21820-14.5-6.6-0.11, -0.260.290.008717358
2025-12-03 22:05:5941-34.5-31.9-13.16.51912-14.6-7.8-0.13, -0.260.300.008717359
2025-12-03 22:07:5942-36.9-32.9-13.06.92032-14.5-7.7-0.13, -0.260.290.008717360

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 )