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 21128
Detector 14 day operating status:

Last detected dimming:
   205 hours and 6 minutes ago (2026-01-03 23:07 UTC)


Overview for dimming #:
   21128           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 #: 21128          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-31 00:35:5910.00.00.00.00 , 0.008754131
2025-12-31 00:37:5920.00.00.00.00 , 0.008754132
2025-12-31 00:39:5930.00.00.00.00 , 0.008754133
2025-12-31 00:41:5940.00.00.00.00 , 0.008754134
2025-12-31 00:43:5950.00.00.00.00 , 0.008754135
2025-12-31 00:45:5960.00.00.00.00 , 0.008754136
2025-12-31 00:47:5970.00.00.00.00 , 0.008754137
2025-12-31 00:49:5980.00.00.00.00 , 0.008754138
2025-12-31 00:51:5990.00.00.00.00 , 0.978754139
2025-12-31 00:53:59100.00.00.00.00 , 0.008754140
2025-12-31 00:55:59110.00.00.00.00 , 0.008754141
2025-12-31 00:57:5912-0.1-0.6-15.50.07 , 0.008754142
2025-12-31 00:59:5913-0.8-8.3-13.70.248 , 0.008754143
2025-12-31 01:01:5914-1.0-10.5-14.20.259 , 0.008754144
2025-12-31 01:03:5915-0.8-8.5-13.00.250 , 0.008754145
2025-12-31 01:05:5916-0.7-7.8-12.60.246 , 0.008754146
2025-12-31 01:07:5917-1.1-11.0-12.90.263 , 0.008754147
2025-12-31 01:09:5918-1.2-12.2-12.30.376 , 0.008754148
2025-12-31 01:11:5919-1.5-13.9-13.00.387 , 0.008754149
2025-12-31 01:13:5920-1.5-14.2-13.00.391 , 0.008754150
2025-12-31 01:15:5921-1.6-15.3-12.80.497 , 0.008754151

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 )