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 20271
Detector 14 day operating status:

Last detected dimming:
   202 hours and 7 minutes ago (2025-10-03 21:29 UTC)


Overview for dimming #:
   20271           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 #: 20271          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-26 04:19:5910.00.00.00.00 , 0.008619626
2025-09-26 04:21:5920.00.00.00.00 , 0.008619627
2025-09-26 04:23:5930.00.00.00.00 , 0.008619628
2025-09-26 04:25:5940.00.00.00.00 , 0.008619629
2025-09-26 04:27:5950.00.00.00.00 , 0.008619630
2025-09-26 04:29:5960.00.00.00.00 , 0.008619631
2025-09-26 04:31:5970.00.00.00.00 , 0.008619632
2025-09-26 04:33:598-0.4-4.5-11.10.037 , 0.008619633
2025-09-26 04:35:599-2.7-10.6-15.30.0190-1.12, 0.391.184.068619634
2025-09-26 04:37:5910-3.4-11.8-14.50.0245-1.11, 0.391.183.768619635
2025-09-26 04:39:5911-4.1-14.0-15.20.0283-1.11, 0.391.180.008619636
2025-09-26 04:41:5912-4.7-15.3-16.10.0306-1.11, 0.381.180.008619637
2025-09-26 04:43:5913-5.2-16.0-16.60.0332-1.11, 0.391.180.898619638
2025-09-26 04:45:5914-5.5-17.0-19.30.0316-1.12, 0.391.180.008619639
2025-09-26 04:47:5915-6.0-17.8-18.60.0343-1.12, 0.391.180.008619640
2025-09-26 04:49:5916-6.4-18.7-19.60.0347-1.12, 0.381.180.008619641
2025-09-26 04:51:5917-6.9-19.6-19.40.2372-1.13, 0.391.190.008619642
2025-09-26 04:53:5918-7.5-20.4-18.90.5415-1.13, 0.391.200.008619643
2025-09-26 04:55:5919-7.9-21.4-19.30.4429-1.13, 0.391.200.008619644
2025-09-26 04:57:5920-9.1-21.9-14.81.4552-1.14, 0.391.200.008619645
2025-09-26 04:59:5921-9.8-21.6-12.32.0609-1.14, 0.391.210.008619646
2025-09-26 05:01:5922-13.8-22.7-10.44.9970-1.14, 0.391.200.008619647
2025-09-26 05:03:5923-15.2-23.0-9.95.91110-1.14, 0.391.200.928619648
2025-09-26 05:05:5924-15.7-23.5-10.15.91123-1.14, 0.391.200.008619649
2025-09-26 05:07:5925-13.2-23.9-10.34.5892-1.15, 0.391.210.008619650

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 )