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 20939
Detector 14 day operating status:

Last detected dimming:
   220 hours and 53 minutes ago (2025-12-05 23:57 UTC)


Overview for dimming #:
   20939           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 #: 20939          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-05 17:43:5910.00.00.00.00 , 0.008720108
2025-12-05 17:45:5920.00.00.00.00 , 0.008720109
2025-12-05 17:47:5930.00.00.00.00 , 0.008720110
2025-12-05 17:49:5940.00.00.00.00 , 0.008720111
2025-12-05 17:51:5950.00.00.00.00 , 0.008720112
2025-12-05 17:53:596-0.2-2.2-9.30.124 , 0.008720113
2025-12-05 17:55:597-0.5-4.4-9.60.149-9.0-4.5-0.08, -0.160.180.008720114
2025-12-05 17:57:598-0.5-3.7-9.30.148-8.3-2.0-0.03, -0.150.150.008720115
2025-12-05 17:59:599-0.5-3.7-9.00.255-8.4-2.6-0.04, -0.150.169.908720116
2025-12-05 18:01:5910-0.7-4.7-9.10.267-8.6-2.8-0.05, -0.160.167.928720117
2025-12-05 18:03:5911-1.0-6.1-8.10.397-8.9-3.9-0.07, -0.160.187.498720118
2025-12-05 18:05:5912-1.0-5.6-8.20.399-8.7-3.0-0.05, -0.160.170.888720119
2025-12-05 18:07:5913-0.9-5.2-8.80.386-8.7-3.2-0.06, -0.160.170.008720120
2025-12-05 18:09:5914-1.2-5.8-8.50.4117-9.2-4.0-0.07, -0.170.180.008720121
2025-12-05 18:11:5915-1.2-5.6-9.40.3107-9.4-4.5-0.08, -0.170.190.008720122
2025-12-05 18:13:5916-1.4-6.7-9.40.4129-9.5-4.5-0.08, -0.170.190.008720123
2025-12-05 18:15:5917-1.3-7.1-8.60.4124-9.5-4.1-0.07, -0.170.190.008720124
2025-12-05 18:17:5918-1.3-6.8-9.60.4122-9.2-3.6-0.06, -0.170.181.748720125
2025-12-05 18:19:5919-1.1-5.2-9.20.3100-9.2-3.9-0.07, -0.170.180.008720126
2025-12-05 18:21:5920-1.3-5.1-10.10.3110-9.4-3.4-0.06, -0.170.180.008720127
2025-12-05 18:23:5921-1.3-7.2-9.50.3102-9.7-3.4-0.06, -0.180.190.008720128
2025-12-05 18:25:5922-1.8-9.3-11.60.4124-9.8-3.3-0.06, -0.180.190.968720129
2025-12-05 18:27:5923-2.1-9.9-11.70.4136-10.0-3.2-0.06, -0.180.190.008720130

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 )