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 20874
Detector 14 day operating status:

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


Overview for dimming #:
   20874           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 #: 20874          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-29 08:39:5910.00.00.00.00 , 0.008711255
2025-11-29 08:41:5920.00.00.00.00 , 0.008711256
2025-11-29 08:43:5930.00.00.00.00 , 0.008711257
2025-11-29 08:45:5940.00.00.00.00 , 0.008711258
2025-11-29 08:47:5950.00.00.00.00 , 0.008711259
2025-11-29 08:49:5960.00.00.00.00 , 0.008711260
2025-11-29 08:51:5970.00.00.00.00 , 0.008711261
2025-11-29 08:53:5980.00.00.00.00 , 0.008711262
2025-11-29 08:55:5990.00.00.00.00 , 6.198711263
2025-11-29 08:57:59100.00.00.00.00 , 5.228711264
2025-11-29 08:59:59110.00.00.00.00 , 3.048711265
2025-11-29 09:01:59120.00.00.00.00 , 1.208711266
2025-11-29 09:03:59130.00.00.00.00 , 0.008711267
2025-11-29 09:05:59140.00.00.00.00 , 0.008711268
2025-11-29 09:07:59150.00.00.00.00 , 0.008711269
2025-11-29 09:09:59160.00.00.00.00 , 0.008711270
2025-11-29 09:11:59170.00.00.00.00 , 0.008711271
2025-11-29 09:13:59180.00.00.00.00 , 0.008711272
2025-11-29 09:15:59190.00.00.00.00 , 0.008711273
2025-11-29 09:17:59200.00.00.00.00 , 0.008711274
2025-11-29 09:19:59210.00.00.00.00 , 0.008711275
2025-11-29 09:21:5922-18.9-46.6-14.73.294315.4-26.4-0.43, 0.250.500.988711276
2025-11-29 09:23:5923-19.4-46.7-13.83.396314.8-25.7-0.43, 0.240.490.008711277
2025-11-29 09:25:5924-22.0-47.9-14.43.81108-8.725.80.44, -0.170.470.908711278
2025-11-29 09:27:5925-22.6-47.7-14.53.91127-8.926.30.44, -0.170.480.008711279
2025-11-29 09:29:5926-24.0-48.8-14.74.11205-8.826.10.44, -0.170.470.008711280
2025-11-29 09:31:5927-25.0-49.1-14.94.21235-9.026.00.44, -0.180.470.008711281
2025-11-29 09:33:5928-25.4-49.5-15.24.21226-8.925.80.44, -0.170.470.008711282
2025-11-29 09:35:5929-25.3-49.3-15.84.11199-8.925.70.43, -0.170.470.008711283
2025-11-29 09:37:5930-25.9-49.1-15.74.21221-9.225.70.43, -0.180.470.008711284
2025-11-29 09:39:5931-25.1-48.4-15.34.11191-9.125.90.44, -0.180.470.008711285
2025-11-29 09:41:5932-26.3-49.3-16.34.21218-9.125.60.43, -0.180.470.008711286
2025-11-29 09:43:5933-26.7-49.0-15.84.31251-9.026.00.44, -0.170.470.008711287
2025-11-29 09:45:5934-27.1-48.0-16.14.31264-9.225.70.43, -0.180.470.008711288

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 )