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 21031
Detector 14 day operating status:

Last detected dimming:
   219 hours and 9 minutes ago (2026-01-04 22:23 UTC)


Overview for dimming #:
   21031           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 #: 21031          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-21 11:47:5910.00.00.00.00 , 0.008740078
2025-12-21 11:49:5920.00.00.00.00 , 0.008740079
2025-12-21 11:51:593-0.8-7.4-10.70.377 , 0.008740080
2025-12-21 11:53:594-3.4-10.0-10.51.1317-10.2-25.5-0.43, -0.150.460.008740081
2025-12-21 11:55:595-5.8-13.7-12.61.5452-12.6-21.2-0.36, -0.190.410.008740082
2025-12-21 11:57:596-9.9-16.0-14.32.2662-11.5-21.5-0.36, -0.170.400.008740083
2025-12-21 11:59:597-17.9-26.2-16.13.41039-12.4-20.2-0.34, -0.190.390.008740084
2025-12-21 12:01:598-23.6-28.2-14.24.81471-12.6-20.4-0.34, -0.190.400.008740085
2025-12-21 12:03:599-31.6-29.2-12.26.92096-12.7-20.6-0.35, -0.190.402.808740086
2025-12-21 12:05:5910-38.3-32.5-11.68.52597-12.8-20.7-0.35, -0.200.400.008740087
2025-12-21 12:07:5911-44.2-39.9-11.89.32852-13.0-20.6-0.35, -0.200.400.008740088
2025-12-21 12:09:5912-46.4-40.3-12.59.32853-13.2-20.6-0.35, -0.200.400.008740089
2025-12-21 12:11:5913-48.8-44.9-12.99.52922-13.5-20.2-0.34, -0.210.400.008740090
2025-12-21 12:13:5914-49.3-46.1-13.39.42876-13.6-20.1-0.34, -0.210.400.008740091
2025-12-21 12:15:5915-51.3-47.6-13.59.72970-13.8-20.0-0.34, -0.210.400.008740092
2025-12-21 12:17:5916-53.6-48.4-13.710.03071-14.0-19.8-0.33, -0.220.400.008740093
2025-12-21 12:19:5917-54.3-49.2-13.710.23131-13.9-20.0-0.34, -0.220.400.008740094
2025-12-21 12:21:5918-54.5-50.6-14.110.03083-14.1-20.0-0.34, -0.220.400.008740095
2025-12-21 12:23:5919-54.9-51.2-13.810.23132-14.1-20.0-0.34, -0.220.400.008740096
2025-12-21 12:25:5920-56.2-52.8-13.810.33171-14.0-20.2-0.34, -0.220.400.908740097
2025-12-21 12:27:5921-56.6-52.7-13.910.53216-14.2-20.1-0.34, -0.220.400.008740098

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 )