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 20516
Detector 14 day operating status:

Last detected dimming:
   211 hours and 15 minutes ago (2025-10-24 20:53 UTC)


Overview for dimming #:
   20516           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 #: 20516          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-10-19 20:13:5910.00.00.00.00 , 0.008652658
2025-10-19 20:15:5920.00.00.00.00 , 0.008652659
2025-10-19 20:17:593-1.9-9.0-13.60.01471.08, 0.481.180.008652660
2025-10-19 20:19:594-2.5-11.7-11.60.01911.07, 0.511.191.318652661
2025-10-19 20:21:595-2.0-10.3-12.60.01551.07, 0.511.181.308652662
2025-10-19 20:23:596-1.8-9.2-13.30.01321.07, 0.501.181.248652663
2025-10-19 20:25:597-1.8-9.5-13.00.01301.06, 0.501.171.028652664
2025-10-19 20:27:598-2.7-13.3-13.70.01811.07, 0.501.182.238652665
2025-10-19 20:29:599-3.5-16.7-15.70.02191.07, 0.511.1811.728652666
2025-10-19 20:31:5910-3.8-17.9-16.10.02271.06, 0.511.1820.288652667
2025-10-19 20:33:5911-4.6-19.4-16.70.02631.07, 0.511.187.418652668
2025-10-19 20:35:5912-5.6-21.1-16.90.03091.07, 0.511.187.998652669
2025-10-19 20:37:5913-6.6-22.8-17.50.03521.07, 0.511.182.998652670
2025-10-19 20:39:5914-7.9-24.3-18.50.04021.06, 0.501.182.858652671
2025-10-19 20:41:5915-9.2-24.9-18.30.04691.06, 0.501.171.868652672
2025-10-19 20:43:5916-10.7-27.8-18.90.05221.06, 0.501.171.888652673
2025-10-19 20:45:5917-12.5-29.7-17.80.06211.06, 0.501.171.748652674
2025-10-19 20:47:5918-14.3-31.2-17.00.07021.06, 0.501.171.968652675
2025-10-19 20:49:5919-15.1-32.2-17.00.07441.05, 0.501.172.368652676
2025-10-19 20:51:5920-17.9-33.7-17.30.08641.06, 0.501.172.608652677
2025-10-19 20:53:5921-20.5-35.3-16.60.09831.05, 0.491.162.028652678
2025-10-19 20:55:5922-22.1-37.2-15.90.010771.05, 0.491.160.008652679
2025-10-19 20:57:5923-23.6-38.0-15.10.011811.05, 0.491.161.098652680
2025-10-19 21:01:5924-28.6-41.0-14.20.014221.06, 0.481.162.148652682
2025-10-19 21:03:5925-29.6-41.5-13.80.014711.06, 0.481.163.978652683
2025-10-19 21:05:5926-31.5-51.7-14.00.015091.05, 0.491.166.018652684
2025-10-19 21:07:5927-34.1-56.1-14.40.016021.05, 0.481.163.148652685
2025-10-19 21:09:5928-34.8-56.6-13.80.016471.05, 0.491.162.458652686
2025-10-19 21:11:5929-36.1-57.6-14.30.017161.05, 0.481.160.008652687
2025-10-19 21:13:5930-37.4-58.5-14.60.017361.05, 0.481.160.008652688
2025-10-19 21:15:5931-39.2-59.3-14.80.018091.05, 0.481.160.008652689
2025-10-19 21:17:5932-41.2-60.0-14.70.018911.05, 0.481.160.008652690
2025-10-19 21:19:5933-41.5-60.0-14.40.019291.05, 0.481.160.008652691
2025-10-19 21:21:5934-43.6-61.1-14.80.019941.05, 0.471.160.008652692
2025-10-19 21:23:5935-45.8-61.6-15.20.020691.05, 0.471.150.008652693
2025-10-19 21:25:5936-47.6-63.4-15.00.02142 , 0.008652694
2025-10-19 21:27:5937-48.6-61.5-15.40.02195 , 0.008652695
2025-10-19 21:29:5938-51.2-61.7-15.40.02309 , 0.008652696
2025-10-19 21:31:5939-52.0-60.4-15.30.02349 , 0.008652697
2025-10-19 21:33:5940-54.6-61.5-15.60.02452 , 0.008652698

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 )