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 19877
Detector 14 day operating status:

Last detected dimming:
   215 hours and 14 minutes ago (2025-08-25 22:53 UTC)


Overview for dimming #:
   19877           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 #: 19877          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-11 14:39:5910.00.00.00.00 , 0.008553827
2025-08-11 14:41:5920.00.00.00.00 , 0.898553828
2025-08-11 14:43:5930.00.00.00.00 , 1.118553829
2025-08-11 14:45:5940.00.00.00.00 , 0.008553830
2025-08-11 14:47:5950.00.00.00.00 , 0.008553831
2025-08-11 14:49:5960.00.00.00.00 , 0.008553832
2025-08-11 14:51:5970.00.00.00.00 , 1.358553833
2025-08-11 14:53:598-1.2-10.1-18.30.267 , 1.148553834
2025-08-11 14:55:599-1.8-12.3-16.80.4113 , 4.898553835
2025-08-11 14:57:5910-2.7-15.2-15.30.6159 , 1.058553836
2025-08-11 14:59:5911-3.3-16.5-15.00.7199 , 1.038553837
2025-08-11 15:01:5912-4.1-18.5-14.80.9255 , 1.618553838
2025-08-11 15:03:5913-5.4-20.0-13.31.2325 , 1.288553839
2025-08-11 15:05:5914-5.8-20.8-16.71.1303 , 0.008553840
2025-08-11 15:07:5915-6.7-21.7-14.31.3360 , 0.008553841
2025-08-11 15:09:5916-10.5-22.6-14.92.4612 , 0.008553842
2025-08-11 15:11:5917-11.2-23.6-16.12.5620 , 0.008553843
2025-08-11 15:13:5918-11.5-24.4-14.52.7666 , 0.008553844
2025-08-11 15:15:5919-10.7-24.1-15.62.5606 , 0.008553845
2025-08-11 15:17:5920-10.4-24.4-16.02.4589 , 0.008553846
2025-08-11 15:19:5921-10.5-24.5-15.82.5604 , 0.008553847

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 )