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 20811
Detector 14 day operating status:

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


Overview for dimming #:
   20811           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 #: 20811          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-21 20:21:5910.00.00.00.00 , 0.008700132
2025-11-21 20:23:592-4.0-21.0-16.80.0188 , 0.008700133
2025-11-21 20:25:593-7.7-27.7-19.50.0326-0.63, -0.871.080.008700134
2025-11-21 20:27:594-11.8-36.5-22.30.0474-0.63, -0.881.080.008700135
2025-11-21 20:29:595-17.4-42.6-24.60.0679-0.63, -0.871.080.008700136
2025-11-21 20:31:596-24.1-40.4-23.20.0934-0.62, -0.871.070.008700137
2025-11-21 20:33:597-29.7-43.3-22.90.01135-0.62, -0.861.060.008700138
2025-11-21 20:35:598-35.0-50.3-22.80.01393-0.62, -0.861.060.008700139
2025-11-21 20:37:599-39.4-53.1-22.40.01597-0.63, -0.861.060.918700140
2025-11-21 20:39:5910-42.3-50.0-20.70.01773-0.64, -0.851.070.948700141
2025-11-21 20:41:5911-44.2-46.4-18.70.02026-0.65, -0.841.060.908700142
2025-11-21 20:43:5912-46.2-42.9-18.00.02221-0.66, -0.831.060.008700143
2025-11-21 20:45:5913-46.2-38.5-16.90.02353-0.67, -0.821.060.008700144
2025-11-21 20:47:5914-45.2-34.2-15.80.02520-0.68, -0.801.050.008700145
2025-11-21 20:49:5915-44.1-32.4-14.20.02671-0.69, -0.791.050.008700146
2025-11-21 20:51:5916-40.0-31.9-12.30.02669-0.71, -0.781.050.008700147
2025-11-21 20:53:5917-35.7-32.6-10.80.02550-0.71, -0.781.050.008700148
2025-11-21 20:55:5918-29.7-28.8-10.10.02134-0.71, -0.771.050.008700149
2025-11-21 20:57:5919-22.5-30.6-10.80.01587-0.70, -0.781.050.008700150
2025-11-21 21:01:5920-14.6-37.0-10.60.0907-0.70, -0.791.060.008700152
2025-11-21 21:03:5921-11.6-37.4-11.00.0656-0.70, -0.791.050.008700153
2025-11-21 21:05:5922-7.3-35.0-13.70.0349-0.70, -0.791.050.008700154

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 )