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 21360
Detector 14 day operating status:

Last detected dimming:
   221 hours and 39 minutes ago (2026-02-25 23:49 UTC)


Overview for dimming #:
   21360           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 #: 21360          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-02-18 21:23:5910.00.00.00.00 , 0.008797626
2026-02-18 21:25:5920.00.00.00.00 , 0.008797627
2026-02-18 21:27:5930.00.00.00.00 , 0.008797628
2026-02-18 21:29:5940.00.00.00.00 , 0.008797629
2026-02-18 21:31:595-0.8-3.7-8.70.359 , 0.008797630
2026-02-18 21:33:596-1.0-4.8-8.20.597-4.3-56.7-0.84, -0.010.840.988797631
2026-02-18 21:37:597-11.0-26.7-17.22.658226.024.80.38, 0.540.660.898797632
2026-02-18 21:39:598-22.2-36.3-16.25.2113925.625.00.39, 0.530.660.008797633
2026-02-18 21:41:599-36.1-38.7-15.19.0194825.724.80.38, 0.540.6612.808797634
2026-02-18 21:43:5910-52.2-42.6-14.013.4287625.724.60.38, 0.540.6617.638797635
2026-02-18 21:45:5911-64.9-41.2-14.716.8358425.924.80.38, 0.540.6621.008797636
2026-02-18 21:47:5912-74.5-42.2-15.718.8400626.525.20.39, 0.550.6711.898797637
2026-02-18 21:49:5913-86.3-66.5-16.620.1428426.624.80.38, 0.550.6710.568797638
2026-02-18 21:51:5914-93.6-73.7-16.921.2449326.824.30.37, 0.550.674.628797639
2026-02-18 21:53:5915-104.4-82.7-17.122.4473426.823.80.36, 0.550.669.068797640
2026-02-18 21:55:5916-114.2-93.0-17.623.2489326.823.30.36, 0.550.665.718797641
2026-02-18 21:57:5917-123.4-115.7-17.424.0504126.823.00.35, 0.550.660.898797642
2026-02-18 21:59:5918-131.4-120.5-17.725.0523726.922.70.35, 0.560.660.908797643
2026-02-18 22:01:5919-135.3-128.2-18.225.2527327.022.50.35, 0.560.660.008797644
2026-02-18 22:03:5920-142.9-137.6-18.326.0541627.222.30.34, 0.560.660.008797645
2026-02-18 22:05:5921-149.2-138.6-18.726.7555227.321.90.34, 0.560.661.198797646
2026-02-18 22:07:5922-152.8-138.8-18.827.0561227.421.80.33, 0.560.661.638797647
2026-02-18 22:09:5923-161.3-139.7-19.127.1563927.421.60.33, 0.560.651.268797648
2026-02-18 22:11:5924-164.8-147.1-19.127.4569727.421.70.33, 0.560.650.008797649
2026-02-18 22:13:5925-165.0-146.9-19.227.4569527.421.80.33, 0.560.660.008797650
2026-02-18 22:15:5926-170.9-143.9-19.428.4587327.421.60.33, 0.560.650.008797651
2026-02-18 22:17:5927-174.0-141.4-19.728.4586327.521.20.33, 0.570.650.848797652
2026-02-18 22:19:5928-171.6-137.4-19.728.4585927.521.40.33, 0.570.651.448797653
2026-02-18 22:21:5929-169.6-136.0-19.728.1578427.621.40.33, 0.570.651.338797654
2026-02-18 22:23:5930-166.4-131.0-19.228.0577527.721.40.33, 0.570.660.008797655

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 )