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 20493
Detector 14 day operating status:

Last detected dimming:
   211 hours and 15 minutes ago (2025-10-24 20:53 UTC)


Overview for dimming #:
   20493           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 #: 20493          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-10-17 23:37:5910.00.00.00.00 , 0.008649880
2025-10-17 23:39:5920.00.00.00.00 , 0.008649881
2025-10-17 23:41:5930.00.00.00.00 , 0.008649882
2025-10-17 23:43:5940.00.00.00.00 , 0.008649883
2025-10-17 23:45:5950.00.00.00.00 , 0.008649884
2025-10-17 23:47:5960.00.0-12.30.03 , 1.888649885
2025-10-17 23:49:597-0.1-0.2-10.70.05 , 1.888649886
2025-10-17 23:51:598-0.2-1.4-25.60.09 , 1.148649887
2025-10-17 23:53:599-0.2-2.0-14.00.011 , 4.068649888
2025-10-17 23:55:5910-0.1-0.3-26.80.06 , 0.008649889
2025-10-17 23:57:5911-0.10.0-26.80.03 , 0.008649890
2025-10-17 23:59:59120.00.00.00.00 , 0.008650611
2025-10-18 00:01:59130.00.00.00.00 , 0.008650612
2025-10-18 00:03:59140.00.00.00.00 , 0.898650613
2025-10-18 00:05:59150.00.00.00.00 , 0.898650614
2025-10-18 00:07:59160.00.00.00.00 , 1.088650615
2025-10-18 00:09:59170.00.00.00.00 , 1.088650616
2025-10-18 00:11:59180.00.00.00.00 , 0.998650617
2025-10-18 00:13:59190.00.00.00.00 , 1.138650618
2025-10-18 00:15:59200.00.00.00.00 , 1.298650619
2025-10-18 00:17:59210.00.00.00.00 , 1.618650620

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 )