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 20747
Detector 14 day operating status:

Last detected dimming:
   216 hours and 11 minutes ago (2025-12-05 23:57 UTC)


Overview for dimming #:
   20747           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
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Details for dimming #: 20747          
timeseq #total
intensity		max
intensity		median
intensity		areasizelatlonx,y in R☉dist.
R☉		detectionImg ID
2025-11-14 14:23:5910.00.00.00.00 , 0.008691325
2025-11-14 14:25:5920.00.00.00.00 , 0.008691326
2025-11-14 14:27:5930.00.00.00.00 , 0.008691327
2025-11-14 14:29:5940.00.00.00.00 , 0.008691328
2025-11-14 14:31:5950.00.00.00.00 , 0.008691329
2025-11-14 14:33:5960.00.00.00.00 , 0.008691330
2025-11-14 14:35:5970.00.00.00.00 , 0.008691331
2025-11-14 14:37:5980.00.00.00.00 , 1.378691332
2025-11-14 14:39:5990.00.00.00.00 , 2.148691333
2025-11-14 14:41:59100.00.00.00.00 , 0.008691334
2025-11-14 14:43:59110.00.00.00.00 , 0.008691335
2025-11-14 14:45:59120.00.0-8.10.01 , 0.008691336
2025-11-14 14:47:5913-0.2-0.9-10.50.31440.578.90.75, 0.650.990.008691337
2025-11-14 14:49:5914-0.2-1.4-10.50.51540.578.90.75, 0.650.990.008691338
2025-11-14 14:51:5915-0.2-1.6-12.50.51640.575.40.74, 0.650.980.008691339
2025-11-14 14:53:5916-0.3-2.6-10.20.72640.579.30.75, 0.650.990.008691340
2025-11-14 14:55:5917-0.2-2.0-10.90.62140.579.80.76, 0.651.000.008691341
2025-11-14 14:57:5918-0.3-3.1-11.20.72740.479.10.76, 0.650.990.008691342
2025-11-14 14:59:5919-0.3-2.6-10.30.62440.579.40.75, 0.650.990.008691343
2025-11-14 15:01:5920-0.3-3.2-12.00.72340.379.00.76, 0.650.990.008691344
2025-11-14 15:03:5921-0.3-2.8-11.40.72240.479.40.76, 0.650.990.008691345
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 )