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 20491
Detector 14 day operating status:

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


Overview for dimming #:
   20491           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 #: 20491          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-10-17 21:53:5910.00.00.00.00 , 0.008649828
2025-10-17 21:55:5920.00.00.00.00 , 0.008649829
2025-10-17 21:57:5930.00.00.00.00 , 0.008649830
2025-10-17 21:59:5940.00.00.00.00 , 0.008649831
2025-10-17 22:01:5950.00.00.00.00 , 0.008649832
2025-10-17 22:03:5960.00.00.00.00 , 0.008649833
2025-10-17 22:05:5970.00.00.00.00 , 0.008649834
2025-10-17 22:07:598-2.2-25.5-35.00.031 , 0.008649835
2025-10-17 22:09:599-2.9-34.6-39.20.038 , 2.868649836
2025-10-17 22:11:5910-3.0-34.5-41.10.0370.94, 0.531.072.148649837
2025-10-17 22:13:5911-3.3-36.7-19.70.0530.94, 0.531.073.978649838
2025-10-17 22:15:5912-3.3-30.2-11.40.0840.94, 0.531.075.778649839
2025-10-17 22:17:5913-2.4-17.2-10.70.0920.93, 0.531.078.008649840
2025-10-17 22:19:5914-2.3-15.6-11.30.01030.93, 0.531.076.248649841
2025-10-17 22:21:5915-2.9-16.3-12.50.01450.93, 0.531.075.608649842
2025-10-17 22:23:5916-3.7-20.7-12.40.01820.94, 0.531.084.818649843
2025-10-17 22:25:5917-3.4-12.6-13.30.01850.94, 0.531.083.688649844
2025-10-17 22:27:5918-4.1-15.0-12.90.02300.94, 0.531.081.798649845
2025-10-17 22:29:5919-4.8-16.7-14.10.02690.95, 0.531.081.878649846
2025-10-17 22:31:5920-5.4-19.8-13.40.03300.95, 0.531.091.408649847
2025-10-17 22:33:5921-6.5-21.3-12.60.03650.94, 0.531.081.838649848
2025-10-17 22:35:5922-6.9-21.8-12.40.03950.95, 0.531.080.008649849
2025-10-17 22:37:5923-7.1-22.3-12.80.04000.96, 0.521.090.008649850
2025-10-17 22:39:5924-8.1-22.8-13.70.04140.95, 0.521.090.008649851
2025-10-17 22:41:5925-9.8-26.3-13.50.04420.95, 0.521.080.008649852
2025-10-17 22:43:5926-10.7-35.5-13.40.04580.94, 0.521.080.008649853
2025-10-17 22:45:5927-14.1-60.4-13.70.04770.94, 0.521.070.008649854
2025-10-17 22:47:5928-16.4-81.5-14.30.04850.93, 0.521.070.008649855
2025-10-17 22:49:5929-17.8-86.9-14.80.04870.93, 0.521.070.008649856

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 )