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 20985
Detector 14 day operating status:

Last detected dimming:
   222 hours and 57 minutes ago (2026-01-02 22:49 UTC)


Overview for dimming #:
   20985           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 #: 20985          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-09 17:43:5910.00.00.00.00 , 0.878725868
2025-12-09 17:45:5920.00.00.00.00 , 1.368725869
2025-12-09 17:47:5930.00.00.00.00 , 0.008725870
2025-12-09 17:49:594-1.7-7.1-9.00.7178 , 0.008725871
2025-12-09 17:51:595-4.6-11.2-9.51.7448-35.2-12.9-0.18, -0.580.610.008725872
2025-12-09 17:53:596-8.2-13.2-10.32.8721-35.3-12.5-0.18, -0.580.610.008725873
2025-12-09 17:55:597-11.2-15.9-11.73.4884-35.3-12.4-0.18, -0.580.610.008725874
2025-12-09 17:57:598-14.3-18.2-12.34.11076-35.2-12.5-0.18, -0.580.610.008725875
2025-12-09 17:59:599-17.6-19.2-13.54.71225-35.6-12.0-0.17, -0.590.611.768725876
2025-12-09 18:01:5910-22.0-20.3-14.75.41436-33.2-14.2-0.21, -0.550.591.458725877
2025-12-09 18:03:5911-24.5-21.2-15.95.71509-34.3-13.5-0.19, -0.570.600.008725878
2025-12-09 18:05:5912-29.2-23.5-15.75.91801-33.6-14.1-0.21, -0.560.599.998725879
2025-12-09 18:07:5913-34.7-25.1-16.46.22092-33.9-13.8-0.20, -0.560.6011.058725880
2025-12-09 18:09:5914-38.7-26.1-18.06.62190-33.4-14.4-0.21, -0.550.5914.418725881
2025-12-09 18:11:5915-45.1-27.9-16.46.825710.98, -0.541.1112.488725882
2025-12-09 18:13:5916-55.0-29.7-13.56.833441.04, -0.401.1215.168725883
2025-12-09 18:15:5917-71.3-32.0-12.47.046501.06, -0.361.1214.798725884
2025-12-09 18:17:5918-78.3-32.8-11.97.151611.06, -0.361.1217.228725885
2025-12-09 18:19:5919-83.9-33.6-11.87.055351.05, -0.371.1218.478725886
2025-12-09 18:21:5920-88.7-34.6-11.57.159201.05, -0.381.1116.618725887
2025-12-09 18:23:5921-94.2-35.7-11.57.363791.04, -0.401.1114.188725888
2025-12-09 18:25:5922-98.5-36.5-11.37.367661.05, -0.391.1211.648725889
2025-12-09 18:27:5923-103.8-37.5-11.27.570771.04, -0.391.119.218725890
2025-12-09 18:29:5924-109.0-38.7-10.97.875351.05, -0.371.115.308725891
2025-12-09 18:31:5925-110.6-39.6-11.07.875061.06, -0.361.115.818725892
2025-12-09 18:33:5926-113.5-40.7-11.08.077011.06, -0.351.121.948725893
2025-12-09 18:35:5927-115.5-41.0-11.28.177851.05, -0.361.111.658725894
2025-12-09 18:37:5928-118.3-41.6-11.48.377931.06, -0.341.110.008725895
2025-12-09 18:39:5929-117.6-42.0-11.48.476641.06, -0.341.120.008725896
2025-12-09 18:41:5930-119.1-42.6-11.68.676261.06, -0.341.110.008725897
2025-12-09 18:43:5931-120.3-43.1-11.88.675421.06, -0.331.110.008725898
2025-12-09 18:45:5932-121.2-43.2-11.98.575121.05, -0.351.111.638725899
2025-12-09 18:47:5933-124.7-44.1-11.98.776391.06, -0.341.110.008725900
2025-12-09 18:49:5934-124.8-44.8-12.08.876311.06, -0.341.110.008725901
2025-12-09 18:51:5935-126.8-44.9-11.88.877941.06, -0.341.110.008725902
2025-12-09 18:53:5936-128.0-46.0-11.98.878281.06, -0.341.110.008725903
2025-12-09 18:55:5937-131.4-46.7-11.89.080111.06, -0.331.110.008725904
2025-12-09 18:57:5938-134.5-47.6-11.89.380791.05, -0.351.110.008725905
2025-12-09 18:59:5939-139.4-47.3-12.09.882691.06, -0.341.110.008725906
2025-12-09 19:01:5940-142.5-48.7-12.19.884411.06, -0.351.118.208725907
2025-12-09 19:03:5941-146.7-50.4-12.210.485621.05, -0.361.119.728725908
2025-12-09 19:05:5942-149.1-51.4-12.210.386681.05, -0.361.115.858725909
2025-12-09 19:07:5943-153.4-51.1-12.510.588321.05, -0.351.110.008725910
2025-12-09 19:09:5944-157.6-52.2-12.610.889911.05, -0.361.112.388725911
2025-12-09 19:11:5945-160.7-51.4-12.510.991841.05, -0.361.112.148725912
2025-12-09 19:13:5946-164.6-53.2-12.711.193441.04, -0.371.112.578725913
2025-12-09 19:15:5947-170.2-53.6-12.711.595811.04, -0.381.113.128725914
2025-12-09 19:17:5948-173.1-55.2-12.911.696351.04, -0.391.112.258725915
2025-12-09 19:19:5949-176.6-56.1-13.011.897541.03, -0.391.110.008725916
2025-12-09 19:21:5950-179.4-56.3-13.012.099021.03, -0.391.100.008725917
2025-12-09 19:23:5951-182.5-56.3-13.212.399831.03, -0.381.100.008725918
2025-12-09 19:25:5952-184.4-55.6-13.112.5101451.03, -0.381.100.888725919
2025-12-09 19:27:5953-183.6-54.9-13.212.6101551.03, -0.381.101.148725920
2025-12-09 19:29:5954-184.7-53.8-13.112.5102201.03, -0.381.100.008725921
2025-12-09 19:31:5955-188.2-53.0-13.212.8103131.02, -0.391.090.008725922
2025-12-09 19:33:5956-189.3-55.1-13.212.9103901.02, -0.401.090.008725923
2025-12-09 19:35:5957-192.1-53.7-13.313.2104761.02, -0.391.090.008725924
2025-12-09 19:37:5958-196.8-54.1-13.613.7106591.01, -0.401.090.008725925
2025-12-09 19:39:5959-218.0-54.0-13.816.8115561.01, -0.411.091.008725926

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 )