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 21348
Detector 14 day operating status:

Last detected dimming:
   220 hours and 0 minutes ago (2026-03-03 19:29 UTC)


Overview for dimming #:
   21348           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 #: 21348          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-02-15 19:39:5910.00.00.00.00 , 0.008796136
2026-02-15 19:41:5920.00.00.00.00 , 0.008796137
2026-02-15 19:43:5930.00.00.00.00 , 0.008796138
2026-02-15 19:45:5940.00.00.00.00 , 0.008796139
2026-02-15 19:47:5950.00.00.00.00 , 0.008796140
2026-02-15 19:49:5960.00.00.00.00 , 0.008796141
2026-02-15 19:51:5970.00.00.00.00 , 0.008796142
2026-02-15 19:53:5980.00.00.00.00 , 0.008796143
2026-02-15 19:55:5990.00.00.00.00 , 3.408796144
2026-02-15 19:57:59100.00.00.00.00 , 0.918796145
2026-02-15 19:59:59110.00.0-9.80.01 , 0.858796146
2026-02-15 20:01:59120.00.00.00.00 , 0.008796147
2026-02-15 20:03:59130.00.0-14.00.01 , 0.008796148
2026-02-15 20:05:59140.00.0-16.70.01 , 0.008796149
2026-02-15 20:07:59150.00.0-18.10.0213.78.60.15, 0.350.380.008796150
2026-02-15 20:09:5916-0.10.0-14.30.0413.78.60.15, 0.350.380.008796151
2026-02-15 20:11:5917-0.1-0.3-17.10.0513.78.60.15, 0.350.380.008796152
2026-02-15 20:13:5918-0.6-6.3-10.50.25213.78.60.15, 0.350.380.008796153
2026-02-15 20:15:5919-0.5-6.3-11.40.241 , 0.008796154
2026-02-15 20:17:5920-0.7-7.3-12.00.35613.78.60.15, 0.350.380.008796155
2026-02-15 20:19:5921-1.2-8.1-14.10.48215.99.60.16, 0.390.420.008796156

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 )