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 20867
Detector 14 day operating status:

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


Overview for dimming #:
   20867           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 #: 20867          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-28 18:51:5910.00.00.00.00 , 0.008710121
2025-11-28 18:53:5920.00.00.00.00 , 0.008710122
2025-11-28 18:55:5930.00.00.00.00 , 0.008710123
2025-11-28 18:57:5940.00.00.00.00 , 0.008710124
2025-11-28 18:59:5950.00.00.00.00 , 0.008710125
2025-11-28 19:01:5960.00.00.00.00 , 0.008710126
2025-11-28 19:03:5970.00.00.00.00 , 0.008710127
2025-11-28 19:05:598-0.9-4.3-6.90.9131 , 0.008710128
2025-11-28 19:07:599-3.4-7.3-8.03.141922.0-64.4-0.84, 0.370.920.958710129
2025-11-28 19:09:5910-3.9-7.6-8.13.548121.9-64.2-0.84, 0.370.920.008710130
2025-11-28 19:11:5911-5.3-8.2-8.24.562421.6-63.1-0.84, 0.360.910.008710131
2025-11-28 19:13:5912-4.9-8.4-8.24.258321.2-62.6-0.84, 0.360.910.008710132
2025-11-28 19:15:5913-4.4-8.2-8.33.549122.5-61.3-0.82, 0.380.900.008710133
2025-11-28 19:17:5914-5.7-11.5-8.54.259723.4-60.1-0.80, 0.390.890.008710134
2025-11-28 19:19:5915-6.1-11.4-8.04.865622.9-60.5-0.81, 0.380.900.008710135
2025-11-28 19:21:5916-5.7-12.3-8.04.460222.7-60.3-0.81, 0.380.890.008710136
2025-11-28 19:23:5917-5.6-12.8-8.24.257423.5-59.9-0.80, 0.390.890.008710137
2025-11-28 19:25:5918-7.5-14.6-8.55.775923.3-59.9-0.80, 0.390.890.008710138
2025-11-28 19:27:5919-9.0-14.1-9.06.991222.3-60.8-0.82, 0.370.900.008710139
2025-11-28 19:29:5920-9.1-14.7-8.47.093022.6-60.4-0.81, 0.380.900.008710140
2025-11-28 19:31:5921-12.4-14.9-9.510.1122224.6-62.1-0.81, 0.410.910.008710141

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 )