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 20404
Detector 14 day operating status:

Last detected dimming:
   218 hours and 32 minutes ago (2025-10-24 20:53 UTC)


Overview for dimming #:
   20404           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 #: 20404          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-10-08 02:39:5910.00.00.00.00 , 0.008636649
2025-10-08 02:41:5920.00.00.00.00 , 0.008636650
2025-10-08 02:43:5930.00.00.00.00 , 0.008636651
2025-10-08 02:45:5940.00.00.00.00 , 1.478636652
2025-10-08 02:47:5950.00.00.00.00 , 1.848636653
2025-10-08 02:49:5960.00.00.00.00 , 1.558636654
2025-10-08 02:51:597-0.3-3.5-7.70.542-19.3-70.3-0.90, -0.370.971.798636655
2025-10-08 02:53:598-0.1-0.1-8.50.17-20.6-71.7-0.90, -0.390.981.378636656
2025-10-08 02:55:599-1.8-6.8-8.62.5202-20.4-69.9-0.89, -0.390.971.768636657
2025-10-08 02:57:5910-1.5-6.7-9.21.9158-17.3-66.3-0.88, -0.340.950.008636658
2025-10-08 02:59:5911-1.7-7.3-9.72.0166-17.2-66.2-0.88, -0.340.950.008636659
2025-10-08 03:01:5912-0.8-5.7-9.00.980-17.1-65.6-0.88, -0.340.940.008636660
2025-10-08 03:03:5913-0.6-4.7-10.20.763-17.3-65.6-0.88, -0.340.940.008636661
2025-10-08 03:05:5914-1.1-6.9-11.71.299-16.9-65.6-0.88, -0.340.940.008636662
2025-10-08 03:07:5915-1.5-6.2-10.61.9137-19.3-66.4-0.87, -0.370.950.008636663
2025-10-08 03:09:5916-1.4-6.5-10.61.7127-17.2-66.8-0.89, -0.340.950.008636664
2025-10-08 03:11:5917-1.2-5.9-10.01.6117-17.0-65.8-0.88, -0.340.940.008636665
2025-10-08 03:13:5918-0.6-6.3-12.70.549 , 0.008636666
2025-10-08 03:15:5919-0.2-1.5-9.10.217 , 0.008636667
2025-10-08 03:17:5920-0.3-1.5-8.40.429 , 0.008636668
2025-10-08 03:19:5921-0.7-3.3-9.00.858 , 0.008636669

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 )