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 20854
Detector 14 day operating status:

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


Overview for dimming #:
   20854           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 #: 20854          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-27 17:11:5910.00.00.00.00 , 0.008708631
2025-11-27 17:13:5920.00.00.00.00 , 0.008708632
2025-11-27 17:15:5930.00.00.00.00 , 0.008708633
2025-11-27 17:17:5940.00.00.00.00 , 0.008708634
2025-11-27 17:19:5950.00.00.00.00 , 0.008708635
2025-11-27 17:21:5960.00.00.00.00 , 0.008708636
2025-11-27 17:23:5970.00.00.00.00 , 0.008708637
2025-11-27 17:25:5980.00.00.00.00 , 0.008708638
2025-11-27 17:27:599-0.5-5.5-9.80.238 , 0.938708639
2025-11-27 17:29:5910-2.2-7.9-10.61.4195 , 0.008708640
2025-11-27 17:31:5911-3.6-11.8-10.02.0298-1.9-66.4-0.93, -0.040.930.008708641
2025-11-27 17:33:5912-5.2-15.1-9.73.1429-2.3-67.5-0.93, -0.050.930.008708642
2025-11-27 17:35:5913-5.7-17.1-9.93.2444-2.4-67.8-0.93, -0.050.940.008708643
2025-11-27 17:37:5914-6.5-18.5-10.23.7509-2.9-66.7-0.93, -0.060.930.008708644
2025-11-27 17:39:5915-7.0-19.0-10.23.8527-2.7-66.7-0.93, -0.060.930.008708645
2025-11-27 17:41:5916-7.4-19.5-10.64.2559-2.4-66.7-0.93, -0.050.930.008708646
2025-11-27 17:43:5917-8.0-21.6-10.64.4578-1.9-67.3-0.93, -0.040.930.008708647
2025-11-27 17:45:5918-8.7-22.1-11.04.9623-2.3-68.7-0.94, -0.050.940.008708648
2025-11-27 17:47:5919-9.3-22.5-11.04.8643-1.9-67.7-0.93, -0.040.940.008708649
2025-11-27 17:49:5920-10.8-24.5-11.05.6766-2.1-66.5-0.93, -0.050.930.008708650
2025-11-27 17:51:5921-11.3-25.2-11.35.7771-2.1-66.5-0.93, -0.050.930.008708651

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 )