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 20408
Detector 14 day operating status:

Last detected dimming:
   211 hours and 12 minutes ago (2025-10-24 20:53 UTC)


Overview for dimming #:
   20408           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 #: 20408          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-10-09 15:23:5910.00.00.00.00 , 0.008638265
2025-10-09 15:25:5920.00.00.00.00 , 0.008638266
2025-10-09 15:27:5930.00.00.00.00 , 0.008638267
2025-10-09 15:29:5940.00.00.00.00 , 0.008638268
2025-10-09 15:31:5950.00.00.00.00 , 0.008638269
2025-10-09 15:33:5960.00.00.00.00 , 0.008638270
2025-10-09 15:35:5970.00.00.00.00 , 0.008638271
2025-10-09 15:37:5980.00.00.00.00 , 1.138638272
2025-10-09 15:39:5990.00.00.00.00 , 3.878638273
2025-10-09 15:41:59100.00.00.00.00 , 4.488638274
2025-10-09 15:43:59110.00.00.00.00 , 4.448638275
2025-10-09 15:45:59120.00.00.00.00 , 3.538638276
2025-10-09 15:47:59130.00.00.00.00 , 1.928638277
2025-10-09 15:49:59140.00.00.00.00 , 1.838638278
2025-10-09 15:51:59150.00.00.00.00 , 1.698638279
2025-10-09 15:53:59160.00.00.00.00 , 1.308638280
2025-10-09 15:55:59170.00.00.00.00 , 0.008638281
2025-10-09 15:57:59180.00.00.00.00 , 1.018638282
2025-10-09 15:59:59190.00.00.00.00 , 0.998638283
2025-10-09 16:01:5920-0.2-2.9-10.70.0231.18, 0.271.211.038638284
2025-10-09 16:03:59210.00.00.00.00 , 0.918638285
2025-10-09 16:05:59220.00.00.00.00 , 0.008638286
2025-10-09 16:07:59230.00.00.00.00 , 0.008638287
2025-10-09 16:09:59240.00.00.00.00 , 0.008638288

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 )