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 20855
Detector 14 day operating status:

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


Overview for dimming #:
   20855           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

more


Details for dimming #: 20855          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-27 18:59:5910.00.00.00.00 , 0.008708685
2025-11-27 19:01:5920.00.00.00.00 , 0.008708686
2025-11-27 19:03:5930.00.00.00.00 , 0.008708687
2025-11-27 19:05:5940.00.00.00.00 , 0.008708688
2025-11-27 19:07:5950.00.00.00.00 , 0.008708689
2025-11-27 19:09:5960.00.00.00.00 , 0.008708690
2025-11-27 19:11:5970.00.00.00.00 , 0.008708691
2025-11-27 19:13:5980.00.00.00.00 , 1.638708692
2025-11-27 19:15:5990.00.00.00.00 , 1.458708693
2025-11-27 19:17:5910-0.6-4.7-10.20.25625.514.10.22, 0.420.471.458708694
2025-11-27 19:19:5911-1.1-6.8-10.90.310125.114.90.24, 0.410.470.878708695
2025-11-27 19:21:5912-2.2-10.6-12.20.617725.214.20.22, 0.410.470.918708696
2025-11-27 19:23:5913-3.1-12.4-12.70.824225.314.00.22, 0.410.470.008708697
2025-11-27 19:25:5914-3.5-14.0-12.50.926725.214.20.22, 0.410.470.008708698
2025-11-27 19:27:5915-4.5-15.2-12.81.234824.914.60.23, 0.410.470.008708699
2025-11-27 19:29:5916-4.9-16.0-13.41.235824.715.20.24, 0.400.471.038708700
2025-11-27 19:31:5917-5.2-16.7-13.51.338324.914.40.23, 0.410.471.298708701
2025-11-27 19:33:5918-5.5-17.2-13.61.339024.814.90.24, 0.400.470.008708702
2025-11-27 19:35:5919-6.0-18.0-14.71.440525.014.10.22, 0.410.470.008708703
2025-11-27 19:37:5920-6.1-18.3-14.81.440125.014.60.23, 0.410.470.008708704
2025-11-27 19:39:5921-7.0-19.6-15.81.544125.114.00.22, 0.410.471.868708705
2025-11-27 19:41:5922-7.1-20.2-15.81.544525.114.10.22, 0.410.471.408708706

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 )