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 21006
Detector 14 day operating status:

Last detected dimming:
   220 hours and 54 minutes ago (2026-01-02 22:49 UTC)


Overview for dimming #:
   21006           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

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Details for dimming #: 21006          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-12 15:51:5910.00.00.00.00 , 0.008730132
2025-12-12 15:53:5920.00.00.00.00 , 0.008730133
2025-12-12 15:55:5930.00.00.00.00 , 0.008730134
2025-12-12 15:57:594-13.3-50.4-15.10.04830.80, -0.631.020.008730135
2025-12-12 15:59:595-16.5-49.9-15.20.06490.80, -0.641.020.008730136
2025-12-12 16:01:596-19.5-46.7-14.40.08450.80, -0.641.030.008730137
2025-12-12 16:03:597-22.2-44.1-13.40.09610.81, -0.631.030.008730138
2025-12-12 16:05:598-22.4-42.9-13.40.09920.82, -0.621.031.418730139
2025-12-12 16:07:599-25.6-46.8-12.50.012430.82, -0.621.031.888730140
2025-12-12 16:09:5910-29.8-48.0-13.20.514620.83, -0.621.032.438730141
2025-12-12 16:11:5911-32.3-36.4-13.53.216550.82, -0.621.031.948730142
2025-12-12 16:13:5912-36.0-44.6-13.84.018630.82, -0.631.031.378730143
2025-12-12 16:15:5913-37.2-53.6-14.04.919610.81, -0.641.031.278730144
2025-12-12 16:17:5914-38.6-52.7-14.06.121620.81, -0.651.040.008730145
2025-12-12 16:19:5915-38.0-43.7-13.46.322850.81, -0.661.040.008730146
2025-12-12 16:21:5916-36.2-36.1-13.35.723530.82, -0.651.040.008730147
2025-12-12 16:23:5917-37.5-32.6-13.85.824380.83, -0.611.030.008730148
2025-12-12 16:25:5918-38.4-28.6-13.96.425040.84, -0.601.030.008730149
2025-12-12 16:27:5919-36.7-23.1-13.96.524820.84, -0.601.030.008730150
2025-12-12 16:29:5920-36.4-19.7-13.46.625170.84, -0.611.030.008730151
2025-12-12 16:31:5921-35.9-21.1-13.16.525240.83, -0.611.030.008730152
2025-12-12 16:33:5922-33.6-23.8-12.84.724280.83, -0.621.040.008730153
2025-12-12 16:35:5923-31.9-22.1-12.34.224060.83, -0.621.040.008730154
2025-12-12 16:37:5924-29.3-25.0-12.24.221860.82, -0.631.030.008730155
2025-12-12 16:39:5925-25.7-24.3-11.93.819610.81, -0.641.030.008730156

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 )