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 20870
Detector 14 day operating status:

Last detected dimming:
   216 hours and 11 minutes ago (2025-12-05 23:57 UTC)


Overview for dimming #:
   20870           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 #: 20870          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-29 02:25:5910.00.00.00.00 , 0.008711068
2025-11-29 02:27:5920.00.00.00.00 , 0.008711069
2025-11-29 02:29:5930.00.00.00.00 , 0.008711070
2025-11-29 02:31:5940.00.00.00.00 , 0.008711071
2025-11-29 02:33:5950.00.00.00.00 , 0.008711072
2025-11-29 02:35:596-0.2-2.9-13.50.117 , 0.008711073
2025-11-29 02:37:597-1.6-9.6-12.90.6117 , 0.008711074
2025-11-29 02:39:598-2.7-11.7-13.40.9195 , 0.008711075
2025-11-29 02:41:599-3.9-11.5-14.01.2264 , 1.208711076
2025-11-29 02:43:5910-4.6-12.4-13.61.4307 , 0.008711077
2025-11-29 02:45:5911-5.6-12.6-12.61.636812.2-30.5-0.50, 0.200.540.008711078
2025-11-29 02:47:5912-6.5-13.5-12.91.941913.8-31.2-0.51, 0.220.560.008711079
2025-11-29 02:49:5913-6.8-13.5-13.11.840217.0-32.8-0.52, 0.280.590.008711080
2025-11-29 02:51:5914-6.0-14.5-13.51.6351 , 0.008711081
2025-11-29 02:53:5915-5.7-14.5-13.51.5334 , 0.008711082
2025-11-29 02:55:5916-7.3-15.7-11.32.8510 , 1.328711083
2025-11-29 02:57:5917-6.7-14.9-11.42.8496 , 0.008711084
2025-11-29 02:59:5918-6.7-15.8-12.12.7486 , 0.008711085
2025-11-29 03:01:5919-6.9-16.6-11.62.750717.1-56.4-0.80, 0.290.850.008711086
2025-11-29 03:03:5920-7.0-16.6-11.42.8513 , 0.008711087
2025-11-29 03:05:5921-6.8-15.8-11.72.8508 , 0.008711088

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 )