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 20831
Detector 14 day operating status:

Last detected dimming:
   199 hours and 11 minutes ago (2025-12-06 23:37 UTC)


Overview for dimming #:
   20831           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

more


Details for dimming #: 20831          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-24 07:01:5910.00.00.00.00 , 0.008703793
2025-11-24 07:03:5920.00.00.00.00 , 0.008703794
2025-11-24 07:05:5930.00.00.00.00 , 0.008703795
2025-11-24 07:07:5940.00.00.00.00 , 0.008703796
2025-11-24 07:09:5950.00.00.00.00 , 0.008703797
2025-11-24 07:11:5960.00.00.00.00 , 0.008703798
2025-11-24 07:13:5970.00.00.00.00 , 0.998703799
2025-11-24 07:15:5980.00.00.00.00 , 1.318703800
2025-11-24 07:17:599-0.1-0.3-11.30.08 , 1.628703801
2025-11-24 07:19:5910-0.2-1.3-12.30.117-14.5-40.1-0.63, -0.280.690.008703802
2025-11-24 07:21:5911-0.3-1.6-12.00.124-12.5-40.1-0.64, -0.240.680.008703803
2025-11-24 07:23:5912-0.4-2.6-13.50.127-12.7-40.1-0.64, -0.240.680.008703804
2025-11-24 07:25:5913-0.6-3.9-14.30.239-8.9-39.6-0.64, -0.180.660.008703805
2025-11-24 07:27:5914-0.7-3.9-13.70.250-11.2-39.6-0.63, -0.220.670.008703806
2025-11-24 07:29:5915-0.7-5.6-14.60.254-14.8-40.3-0.63, -0.280.691.188703807
2025-11-24 07:31:5916-1.1-7.7-14.80.373-14.0-40.2-0.63, -0.270.692.158703808
2025-11-24 07:33:5917-1.5-11.1-13.50.4103-14.6-40.4-0.63, -0.280.691.318703809
2025-11-24 07:35:5918-4.6-15.4-16.01.0243-20.7-42.5-0.64, -0.380.741.128703810
2025-11-24 07:37:5919-5.5-18.2-15.51.3295-20.9-42.5-0.64, -0.380.740.008703811
2025-11-24 07:39:5920-6.3-19.6-15.91.4334-20.8-42.5-0.64, -0.380.740.008703812
2025-11-24 07:41:5921-6.1-19.6-16.01.4316-20.0-42.2-0.64, -0.370.740.008703813
2025-11-24 07:43:5922-6.5-20.3-16.71.4334-20.3-42.3-0.64, -0.370.740.978703814
2025-11-24 07:45:5923-6.4-20.6-15.71.5343-20.2-42.3-0.64, -0.370.740.008703815
2025-11-24 07:47:5924-5.9-19.0-15.01.4328-20.6-42.4-0.64, -0.380.740.008703816
2025-11-24 07:49:5925-5.5-18.1-15.51.3300-20.7-42.4-0.64, -0.380.740.008703817
2025-11-24 07:51:5926-4.3-15.2-14.91.0244-21.2-42.7-0.64, -0.390.750.008703818
2025-11-24 07:53:5927-2.7-14.4-13.60.8185-14.6-40.3-0.63, -0.280.690.008703819
2025-11-24 07:55:5928-2.7-14.9-14.30.7179-14.6-40.2-0.63, -0.280.690.008703820

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 )