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 20937
Detector 14 day operating status:

Last detected dimming:
   208 hours and 45 minutes ago (2025-12-06 23:37 UTC)


Overview for dimming #:
   20937           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 #: 20937          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-05 14:17:5910.00.00.00.00 , 0.008720005
2025-12-05 14:19:5920.00.00.00.00 , 0.008720006
2025-12-05 14:21:5930.00.00.00.00 , 0.008720007
2025-12-05 14:23:5940.00.00.00.00 , 0.008720008
2025-12-05 14:25:5950.00.00.00.00 , 0.008720009
2025-12-05 14:27:5960.00.00.00.00 , 0.008720010
2025-12-05 14:29:5970.00.00.00.00 , 0.008720011
2025-12-05 14:31:5980.00.00.00.00 , 0.008720012
2025-12-05 14:33:5990.00.00.00.00 , 3.678720013
2025-12-05 14:35:59100.00.00.00.00 , 2.008720014
2025-12-05 14:37:59110.00.00.00.00 , 0.008720015
2025-12-05 14:39:5912-0.10.0-13.80.040.161.90.89, 0.000.890.008720016
2025-12-05 14:41:59130.00.00.00.00 , 0.008720017
2025-12-05 14:43:59140.00.00.00.00 , 0.008720018
2025-12-05 14:45:5915-0.1-0.4-16.80.15 , 0.008720019
2025-12-05 14:47:5916-0.2-1.8-12.60.514 , 0.008720020
2025-12-05 14:49:5917-1.0-6.1-10.41.775 , 0.008720021
2025-12-05 14:51:5918-0.9-7.6-13.61.659 , 0.008720022
2025-12-05 14:53:5919-0.9-6.7-13.71.554 , 0.008720023
2025-12-05 14:55:5920-0.2-1.6-12.00.612 , 0.008720024
2025-12-05 14:57:59210.00.00.00.00 , 0.008720025
2025-12-05 14:59:59220.00.00.00.00 , 0.008720026

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 )