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 20857
Detector 14 day operating status:

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


Overview for dimming #:
   20857           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 #: 20857          
timeseq #total
intensity		max
intensity		median
intensity		areasizelatlonx,y in R☉dist.
R☉		detectionImg ID
2025-11-28 02:37:5910.00.00.00.00 , 1.158709634
2025-11-28 02:39:5920.00.00.00.00 , 0.868709635
2025-11-28 02:41:5930.00.00.00.00 , 0.008709636
2025-11-28 02:43:5940.00.00.00.00 , 0.008709637
2025-11-28 02:45:5950.00.00.00.00 , 0.008709638
2025-11-28 02:47:5960.00.00.00.00 , 0.008709639
2025-11-28 02:49:5970.00.00.00.00 , 0.008709640
2025-11-28 02:51:5980.00.00.00.00 , 1.668709641
2025-11-28 02:53:5990.00.00.00.00 , 2.048709642
2025-11-28 02:55:59100.00.00.00.00 , 2.758709643
2025-11-28 02:57:59110.00.00.00.00 , 3.148709644
2025-11-28 02:59:59120.00.00.00.00 , 3.148709645
2025-11-28 03:01:59130.00.00.00.00 , 2.608709646
2025-11-28 03:03:59140.00.00.00.00 , 0.008709647
2025-11-28 03:05:59150.00.00.00.00 , 0.008709648
2025-11-28 03:07:59160.00.00.00.00 , 0.008709649
2025-11-28 03:09:59170.00.00.00.00 , 0.858709650
2025-11-28 03:11:5918-0.4-4.3-14.20.12811.59.40.16, 0.180.241.028709651
2025-11-28 03:13:5919-2.9-9.1-12.60.722210.210.90.19, 0.160.250.008709652
2025-11-28 03:15:5920-2.9-9.1-12.30.723410.411.30.19, 0.160.250.008709653
2025-11-28 03:17:5921-3.8-9.7-12.60.929310.211.30.19, 0.160.250.008709654
2025-11-28 03:19:5922-4.3-11.7-12.71.033110.011.40.20, 0.160.250.008709655
2025-11-28 03:21:5923-4.6-11.0-12.51.13429.612.10.21, 0.150.260.008709656
2025-11-28 03:23:5924-5.5-12.6-12.61.34039.912.00.21, 0.150.260.008709657
2025-11-28 03:25:5925-5.6-12.5-13.11.23949.812.20.21, 0.150.260.008709658
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 )