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 21087
Detector 14 day operating status:

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


Overview for dimming #:
   21087           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 #: 21087          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-27 01:29:5910.00.00.00.00 , 0.008748409
2025-12-27 01:31:5920.00.00.00.00 , 0.008748410
2025-12-27 01:33:5930.00.00.00.00 , 0.008748411
2025-12-27 01:35:5940.00.00.00.00 , 0.008748412
2025-12-27 01:37:5950.00.00.00.00 , 0.008748413
2025-12-27 01:39:5960.00.00.00.00 , 0.008748414
2025-12-27 01:41:5970.00.00.00.00 , 0.008748415
2025-12-27 01:43:5980.00.00.00.00 , 0.908748416
2025-12-27 01:45:5990.00.00.00.00 , 7.088748417
2025-12-27 01:47:5910-17.6-25.4-17.61.7970-1.21, -0.021.2143.408748418
2025-12-27 01:49:5911-24.0-38.0-19.71.91115-1.21, -0.021.2195.648748419
2025-12-27 01:51:5912-29.5-33.4-19.91.91450-1.22, -0.011.2245.308748420
2025-12-27 01:53:5913-45.0-42.7-16.61.92364-1.21, -0.031.2132.288748421
2025-12-27 01:55:5914-60.2-52.6-13.02.03337-1.21, -0.031.2134.478748422
2025-12-27 01:57:5915-74.8-59.5-12.12.03945-1.21, -0.021.2130.098748423
2025-12-27 01:59:5916-90.2-62.6-12.42.14580-1.21, -0.021.2179.938748424
2025-12-27 02:01:5917-103.7-66.4-13.22.25010-1.20, -0.021.20193.568748425
2025-12-27 02:03:5918-111.1-69.1-13.42.15299-1.20, -0.021.20146.848748426
2025-12-27 02:05:5919-119.4-68.1-13.02.15957-1.20, -0.021.2086.248748427
2025-12-27 02:07:5920-128.1-67.5-13.42.06427-1.20, -0.021.2064.898748428
2025-12-27 02:09:5921-135.4-66.5-13.62.06830-1.20, -0.021.2043.938748429
2025-12-27 02:11:5922-136.1-63.9-14.21.86721-1.20, -0.031.2017.328748430
2025-12-27 02:13:5923-140.8-63.1-14.52.26735-1.20, -0.031.2026.298748431
2025-12-27 02:15:5924-149.7-69.0-14.62.76981-1.20, -0.041.2027.768748432
2025-12-27 02:17:5925-157.2-72.7-14.23.37237-1.19, -0.041.1926.638748433
2025-12-27 02:19:5926-162.0-75.8-13.83.47399-1.19, -0.051.198.028748434
2025-12-27 02:21:5927-169.0-89.5-13.63.97630-1.18, -0.051.191.768748435
2025-12-27 02:23:5928-176.3-102.5-13.83.77818-1.18, -0.051.181.738748436
2025-12-27 02:25:5929-191.4-112.0-13.94.88221-1.18, -0.051.182.078748437
2025-12-27 02:27:5930-202.8-119.7-13.95.88561-1.18, -0.051.181.878748438
2025-12-27 02:29:5931-211.2-124.2-14.26.18701-1.18, -0.051.181.798748439
2025-12-27 02:31:5932-224.8-123.9-14.56.99061-1.18, -0.051.181.538748440
2025-12-27 02:33:5933-228.6-124.9-14.76.79082-1.18, -0.051.181.318748441
2025-12-27 02:35:5934-235.6-124.7-14.86.99271-1.17, -0.051.181.108748442
2025-12-27 02:37:5935-238.7-124.3-14.96.89336-1.17, -0.051.170.008748443
2025-12-27 02:39:5936-248.3-124.9-15.07.59649-1.17, -0.051.170.958748444
2025-12-27 02:41:5937-257.3-127.0-15.38.29905-1.17, -0.051.170.008748445
2025-12-27 02:43:5938-262.6-129.2-15.48.610114-1.17, -0.061.170.008748446
2025-12-27 02:45:5939-264.5-127.3-15.48.210126-1.17, -0.051.171.048748447
2025-12-27 02:47:5940-267.8-127.5-15.58.510194-1.16, -0.061.160.008748448
2025-12-27 02:49:5941-280.5-126.8-15.310.810917-1.16, -0.051.161.108748449
2025-12-27 02:51:5942-285.8-125.5-15.011.611160-1.16, -0.051.160.008748450
2025-12-27 02:53:5943-290.4-125.5-15.012.111309-1.16, -0.051.160.008748451
2025-12-27 02:55:5944-294.6-124.7-15.012.111381-1.16, -0.051.160.008748452
2025-12-27 02:57:5945-299.1-123.1-15.013.111666-1.16, -0.051.160.008748453
2025-12-27 02:59:5946-302.4-123.7-14.913.411729-1.15, -0.051.160.008748454

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 )