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 20902
Detector 14 day operating status:

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


Overview for dimming #:
   20902           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 #: 20902          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-02 13:01:5910.00.00.00.00 , 0.008715653
2025-12-02 13:03:5920.00.00.00.00 , 0.008715654
2025-12-02 13:05:5930.00.00.00.00 , 0.008715655
2025-12-02 13:07:5940.00.00.00.00 , 0.008715656
2025-12-02 13:09:5950.00.00.00.00 , 0.008715657
2025-12-02 13:11:5960.00.00.00.00 , 0.008715658
2025-12-02 13:13:597-1.8-8.7-9.10.6192 , 0.008715659
2025-12-02 13:15:598-8.0-13.0-10.72.27311.8-8.7-0.15, 0.020.150.008715660
2025-12-02 13:17:599-10.7-13.9-11.52.89332.4-8.7-0.15, 0.030.161.388715661
2025-12-02 13:19:5910-11.5-14.5-11.52.99703.1-9.1-0.16, 0.040.170.008715662
2025-12-02 13:21:5911-11.2-14.7-11.22.99423.3-8.9-0.16, 0.050.160.008715663
2025-12-02 13:23:5912-10.4-15.9-11.32.78824.0-9.1-0.16, 0.060.170.008715664
2025-12-02 13:25:5913-10.0-16.3-11.42.68534.4-9.2-0.16, 0.070.170.008715665
2025-12-02 13:27:5914-10.6-16.4-11.12.89324.5-9.2-0.16, 0.070.180.008715666
2025-12-02 13:29:5915-11.3-16.5-10.93.09922.7-8.4-0.15, 0.030.151.728715667
2025-12-02 13:31:5916-11.4-16.2-11.02.99621.4-8.6-0.15, 0.010.150.008715668
2025-12-02 13:33:5917-11.8-15.9-10.92.9961-0.4-9.1-0.16, -0.020.160.008715669
2025-12-02 13:35:5918-12.1-15.7-11.03.0984-0.4-10.0-0.18, -0.020.180.008715670
2025-12-02 13:37:5919-12.8-17.7-11.33.11004-1.9-12.1-0.21, -0.050.220.008715671
2025-12-02 13:39:5920-13.8-17.3-11.53.31071-3.7-13.2-0.23, -0.080.240.008715672
2025-12-02 13:41:5921-13.6-16.0-11.53.31058-0.9-10.2-0.18, -0.030.180.008715673
2025-12-02 13:43:5922-11.3-15.6-12.02.78710.1-9.5-0.17, -0.010.170.008715674
2025-12-02 13:45:5923-11.2-15.6-11.62.78721.3-7.5-0.13, 0.010.130.008715675
2025-12-02 13:47:5924-10.3-15.1-11.42.58190.1-6.7-0.12, -0.010.120.008715676
2025-12-02 13:49:5925-11.0-14.9-11.62.7880-2.1-7.8-0.14, -0.050.150.008715677
2025-12-02 13:51:5926-11.7-15.9-11.52.9931-4.0-11.2-0.20, -0.080.210.008715678
2025-12-02 13:53:5927-11.1-17.2-11.52.7877-3.8-10.0-0.18, -0.080.190.008715679

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 )