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 20999
Detector 14 day operating status:

Last detected dimming:
   222 hours and 36 minutes ago (2026-01-02 22:49 UTC)


Overview for dimming #:
   20999           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 #: 20999          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-11 14:41:5910.00.00.00.00 , 0.008728657
2025-12-11 14:43:5920.00.00.00.00 , 0.008728658
2025-12-11 14:45:5930.00.00.00.00 , 0.008728659
2025-12-11 14:47:5940.00.00.00.00 , 0.008728660
2025-12-11 14:49:5950.00.00.00.00 , 0.008728661
2025-12-11 14:51:5960.00.0-9.80.02 , 0.008728662
2025-12-11 14:53:597-0.1-0.5-8.20.07 , 0.008728663
2025-12-11 14:55:598-0.1-0.8-9.70.08 , 0.008728664
2025-12-11 14:57:599-1.0-6.0-9.50.396 , 2.588728665
2025-12-11 14:59:5910-1.1-5.2-11.60.386-24.5-4.7-0.08, -0.410.420.008728666
2025-12-11 15:01:5911-2.6-7.3-10.70.7221-22.8-4.3-0.07, -0.390.390.008728667
2025-12-11 15:03:5912-4.5-9.3-10.81.3402-18.7-4.0-0.07, -0.320.320.008728668
2025-12-11 15:05:5913-6.7-10.9-11.21.7551-14.9-3.1-0.05, -0.250.260.008728669
2025-12-11 15:07:5914-9.0-12.7-12.02.2710-13.8-2.6-0.04, -0.230.240.008728670
2025-12-11 15:09:5915-9.9-15.0-12.02.4765-16.2-2.9-0.05, -0.270.280.008728671
2025-12-11 15:11:5916-10.8-16.4-12.02.6819-17.2-3.6-0.06, -0.290.300.008728672
2025-12-11 15:13:5917-11.8-18.2-11.72.8894-18.3-3.8-0.06, -0.310.320.008728673
2025-12-11 15:15:5918-11.8-19.9-11.82.7873-18.9-4.8-0.08, -0.320.330.008728674
2025-12-11 15:17:5919-12.2-21.9-11.42.8897-19.2-4.8-0.08, -0.330.340.008728675
2025-12-11 15:19:5920-13.6-24.5-12.03.0949-19.3-5.2-0.09, -0.330.340.008728676
2025-12-11 15:21:5921-17.8-25.9-12.43.81201-19.3-5.8-0.10, -0.330.340.008728677

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 )