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 20877
Detector 14 day operating status:

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


Overview for dimming #:
   20877           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

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Details for dimming #: 20877          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-11-29 20:05:5910.00.00.00.00 , 0.008711598
2025-11-29 20:07:5920.00.00.00.00 , 0.008711599
2025-11-29 20:09:5930.00.00.00.00 , 0.008711600
2025-11-29 20:11:5940.00.00.00.00 , 0.008711601
2025-11-29 20:13:5950.00.00.00.00 , 0.008711602
2025-11-29 20:15:596-1.7-11.8-17.40.099-1.08, -0.511.190.008711603
2025-11-29 20:17:597-18.7-24.9-16.60.01009-1.05, -0.551.180.008711604
2025-11-29 20:19:598-23.0-38.4-18.80.01066-1.10, -0.501.210.008711605
2025-11-29 20:21:599-18.5-49.7-27.70.0596-1.11, -0.491.2135.568711606
2025-11-29 20:23:5910-23.6-45.6-18.50.3994-1.10, -0.491.2169.658711607
2025-11-29 20:25:5911-31.5-47.0-16.50.11469-1.10, -0.501.2060.638711608
2025-11-29 20:27:5912-37.3-48.2-14.80.21870-1.08, -0.521.2052.788711609
2025-11-29 20:29:5913-49.0-98.5-15.50.62011-1.04, -0.471.1430.238711610
2025-11-29 20:31:5914-37.6-43.7-15.40.71783-1.06, -0.481.1616.018711611
2025-11-29 20:33:5915-52.7-160.7-16.60.71696-1.01, -0.451.117.148711612
2025-11-29 20:35:5916-52.0-94.8-17.30.81886-1.03, -0.461.133.388711613
2025-11-29 20:37:5917-42.6-50.2-17.10.91995-1.08, -0.501.206.048711614
2025-11-29 20:39:5918-44.1-50.8-17.21.32094-1.10, -0.501.2012.998711615
2025-11-29 20:41:5919-46.3-51.6-18.20.52108-1.09, -0.501.208.498711616
2025-11-29 20:43:5920-48.8-52.5-18.10.62212-1.09, -0.501.201.258711617
2025-11-29 20:45:5921-51.4-54.9-18.50.62268-1.09, -0.501.206.718711618
2025-11-29 20:47:5922-55.1-56.2-18.90.92388-1.09, -0.501.206.908711619
2025-11-29 20:49:5923-59.0-58.1-19.31.42510-1.09, -0.501.201.688711620
2025-11-29 20:51:5924-62.7-57.3-19.81.72637-1.09, -0.501.201.788711621
2025-11-29 20:53:5925-65.8-58.1-20.41.92716-1.09, -0.501.201.228711622
2025-11-29 20:55:5926-64.9-57.2-20.71.62678-1.09, -0.501.200.008711623
2025-11-29 20:57:5927-64.9-57.0-19.91.62743-1.09, -0.501.200.008711624
2025-11-29 21:01:5928-72.3-57.1-17.15.13448-1.09, -0.501.200.008711626
2025-11-29 21:03:5929-74.6-58.3-17.14.93560-1.09, -0.501.200.008711627
2025-11-29 21:05:5930-77.1-59.6-17.05.63690-1.09, -0.501.190.008711628
2025-11-29 21:07:5931-77.9-60.7-17.35.73688-1.08, -0.501.190.008711629
2025-11-29 21:09:5932-77.7-61.1-17.36.03671-1.08, -0.501.190.008711630
2025-11-29 21:11:5933-87.6-62.7-15.710.74457-1.08, -0.501.190.008711631

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 )