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 21458
Detector 14 day operating status:

Last detected dimming:
   215 hours and 48 minutes ago (2026-03-15 15:45 UTC)


Overview for dimming #:
   21458           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 #: 21458          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-03-04 18:53:5910.00.00.00.00 , 0.008815536
2026-03-04 18:55:5920.00.00.00.00 , 0.008815537
2026-03-04 18:57:5930.00.00.00.00 , 0.008815538
2026-03-04 18:59:5940.00.00.00.00 , 0.008815539
2026-03-04 19:01:5950.00.00.00.00 , 0.008815540
2026-03-04 19:03:5960.00.00.00.00 , 0.008815541
2026-03-04 19:05:5970.00.00.00.00 , 0.008815542
2026-03-04 19:07:5980.00.0-11.70.03-5.0-33.9-0.56, 0.020.562.148815543
2026-03-04 19:09:599-0.8-7.4-19.60.122-5.6-33.8-0.56, 0.010.563.278815544
2026-03-04 19:11:5910-2.9-27.5-17.50.383-5.7-33.7-0.56, 0.010.562.508815545
2026-03-04 19:13:5911-4.9-40.7-15.30.6160-5.5-33.6-0.56, 0.010.561.928815546
2026-03-04 19:15:5912-6.9-52.2-16.90.8217-5.6-33.6-0.56, 0.010.561.358815547
2026-03-04 19:17:5913-7.7-53.4-17.91.0251-5.5-33.6-0.56, 0.010.560.008815548
2026-03-04 19:19:5914-7.8-56.0-22.20.8219-5.6-33.5-0.56, 0.010.560.008815549
2026-03-04 19:21:5915-8.3-56.4-22.80.9234-5.6-33.6-0.56, 0.010.560.008815550
2026-03-04 19:23:5916-7.9-56.0-24.20.8210-5.6-33.6-0.56, 0.010.560.008815551
2026-03-04 19:25:5917-8.0-55.7-25.30.8208-5.6-33.6-0.56, 0.010.560.008815552
2026-03-04 19:27:5918-7.4-49.1-24.40.8205-5.6-33.6-0.56, 0.010.560.008815553
2026-03-04 19:29:5919-6.2-40.7-24.30.7183-5.6-33.7-0.56, 0.010.560.008815554
2026-03-04 19:31:5920-6.1-38.5-21.60.7191-5.6-33.7-0.56, 0.010.560.008815555
2026-03-04 19:33:5921-5.9-34.6-22.30.7198-5.6-33.7-0.56, 0.010.560.008815556
2026-03-04 19:35:5922-4.6-23.2-22.00.6172-5.5-33.9-0.56, 0.010.560.008815557
2026-03-04 19:37:5923-4.4-14.0-19.20.7193-5.4-34.1-0.57, 0.010.570.008815558
2026-03-04 19:39:5924-5.1-16.2-17.81.0259-5.5-34.2-0.57, 0.010.570.008815559

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 )