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 20819
Detector 14 day operating status:

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


Overview for dimming #:
   20819           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 #: 20819          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-22 19:53:5910.00.00.00.00 , 0.008701557
2025-11-22 19:55:5920.00.00.00.00 , 0.008701558
2025-11-22 19:57:5930.00.00.00.00 , 0.008701559
2025-11-22 19:59:5940.00.00.00.00 , 0.008701560
2025-11-22 20:01:5950.00.00.00.00 , 0.008701561
2025-11-22 20:03:5960.00.00.00.00 , 0.008701562
2025-11-22 20:05:5970.00.00.00.00 , 0.008701563
2025-11-22 20:07:5980.00.00.00.00 , 0.008701564
2025-11-22 20:09:5990.00.00.00.00 , 1.608701565
2025-11-22 20:11:59100.00.00.00.00 , 1.138701566
2025-11-22 20:13:59110.00.00.00.00 , 0.008701567
2025-11-22 20:15:5912-1.5-6.4-8.80.0164 , 0.008701568
2025-11-22 20:17:5913-3.5-9.6-9.30.0363-1.07, -0.381.140.008701569
2025-11-22 20:19:5914-5.2-11.6-8.50.0563-1.08, -0.401.150.008701570
2025-11-22 20:21:5915-8.7-12.7-8.70.0937-1.08, -0.401.150.008701571
2025-11-22 20:23:5916-11.9-14.1-8.60.01280-1.07, -0.421.150.008701572
2025-11-22 20:25:5917-13.7-15.3-8.80.01433-1.07, -0.431.150.008701573
2025-11-22 20:27:5918-17.0-16.8-8.90.01726-1.06, -0.431.150.008701574
2025-11-22 20:29:5919-19.0-17.6-9.10.01903-1.06, -0.431.150.008701575
2025-11-22 20:31:5920-22.0-18.2-9.30.02180-1.05, -0.441.140.008701576
2025-11-22 20:33:5921-23.6-18.8-9.30.02305-1.05, -0.441.140.008701577

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 )