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 21023
Detector 14 day operating status:

Last detected dimming:
   221 hours and 55 minutes ago (2026-01-03 23:07 UTC)


Overview for dimming #:
   21023           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 #: 21023          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-16 06:01:5910.00.00.00.00 , 0.008735591
2025-12-16 06:03:5920.00.00.00.00 , 0.008735592
2025-12-16 06:05:5930.00.00.00.00 , 0.008735593
2025-12-16 06:07:5940.00.00.00.00 , 0.008735594
2025-12-16 06:09:5950.00.00.00.00 , 0.008735595
2025-12-16 06:11:5960.00.00.00.00 , 0.008735596
2025-12-16 06:13:5970.00.00.00.00 , 1.048735597
2025-12-16 06:15:5980.00.00.00.00 , 1.408735598
2025-12-16 06:17:599-0.2-2.0-8.30.126-1.948.30.76, -0.020.761.438735599
2025-12-16 06:19:5910-0.5-4.2-8.40.361-1.848.60.76, -0.020.761.598735600
2025-12-16 06:21:5911-0.3-2.7-7.00.244-1.948.30.76, -0.020.760.008735601
2025-12-16 06:23:5912-0.6-3.3-7.50.376-1.950.40.78, -0.020.780.008735602
2025-12-16 06:25:5913-1.0-5.5-8.60.6122-1.950.20.78, -0.020.780.008735603
2025-12-16 06:27:5914-1.1-4.7-8.40.5104-2.451.90.80, -0.030.800.008735604
2025-12-16 06:29:5915-1.6-8.8-8.50.6120-2.551.80.79, -0.030.790.008735605
2025-12-16 06:31:5916-1.9-10.6-8.70.7147-2.451.80.79, -0.030.800.008735606
2025-12-16 06:33:5917-2.0-11.7-8.80.7148-2.551.60.79, -0.030.790.008735607
2025-12-16 06:35:5918-2.5-13.3-8.50.9190-2.451.80.79, -0.030.800.008735608
2025-12-16 06:37:5919-2.6-14.7-9.80.8163-2.451.70.79, -0.030.790.008735609
2025-12-16 06:39:5920-2.7-14.3-10.30.8171-2.451.80.79, -0.030.790.008735610
2025-12-16 06:41:5921-3.0-15.7-10.60.9190-2.451.80.79, -0.030.790.008735611
2025-12-16 06:43:5922-4.3-20.0-10.11.3268-2.551.70.79, -0.030.790.008735612

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 )