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 21371
Detector 14 day operating status:

Last detected dimming:
   213 hours and 32 minutes ago (2026-02-24 23:39 UTC)


Overview for dimming #:
   21371           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

more


Details for dimming #: 21371          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-02-20 08:29:5910.00.00.00.00 , 0.008798676
2026-02-20 08:31:5920.00.00.00.00 , 0.008798677
2026-02-20 08:33:5930.00.00.00.00 , 0.008798678
2026-02-20 08:35:594-1.1-10.6-16.00.271 , 0.008798679
2026-02-20 08:37:595-4.5-19.6-16.10.8270-14.0-5.7-0.10, -0.120.160.008798680
2026-02-20 08:39:596-8.7-28.0-18.91.3435-13.7-5.8-0.10, -0.120.150.008798681
2026-02-20 08:41:597-14.7-36.1-20.62.1676-13.5-5.8-0.10, -0.110.150.008798682
2026-02-20 08:43:598-19.9-42.4-20.92.7873-13.2-5.7-0.10, -0.110.151.098798683
2026-02-20 08:45:599-22.6-45.2-22.12.9948-13.2-5.6-0.10, -0.110.151.188798684
2026-02-20 08:47:5910-23.5-50.9-25.32.7876-13.0-5.4-0.09, -0.110.140.008798685
2026-02-20 08:49:5911-26.1-52.7-27.82.8903-12.9-5.8-0.10, -0.100.140.008798686
2026-02-20 08:51:5912-26.6-53.4-27.12.8927-12.9-6.1-0.11, -0.100.150.008798687
2026-02-20 08:53:5913-27.2-54.6-26.62.9964-13.3-6.1-0.10, -0.110.150.008798688
2026-02-20 08:55:5914-28.3-56.8-27.03.1997-13.3-6.1-0.10, -0.110.150.008798689
2026-02-20 08:57:5915-30.0-58.7-24.83.41108-13.2-5.8-0.10, -0.110.150.008798690
2026-02-20 08:59:5916-32.4-60.4-22.43.81242-13.4-5.6-0.10, -0.110.150.008798691
2026-02-20 09:01:5917-37.4-61.3-21.14.61513-13.4-5.6-0.10, -0.110.151.268798692
2026-02-20 09:03:5918-39.9-62.6-20.55.01643-13.3-5.6-0.10, -0.110.150.008798693
2026-02-20 09:05:5919-42.5-64.1-20.15.31728-13.5-5.6-0.10, -0.120.150.008798694
2026-02-20 09:07:5920-44.1-65.1-20.75.41761-13.8-5.6-0.10, -0.120.150.008798695
2026-02-20 09:09:5921-46.3-65.2-21.45.51804-13.9-5.6-0.10, -0.120.150.008798696
2026-02-20 09:11:5922-48.3-65.9-22.35.71851-13.8-5.6-0.10, -0.120.150.008798697
2026-02-20 09:13:5923-49.8-66.6-23.45.71837-13.8-5.7-0.10, -0.120.150.948798698
2026-02-20 09:15:5924-51.5-67.1-23.45.71868-13.8-5.5-0.10, -0.120.151.078798699
2026-02-20 09:17:5925-53.0-67.3-24.45.81886-13.7-5.6-0.10, -0.120.150.858798700
2026-02-20 09:19:5926-55.6-68.6-25.55.91931-13.7-5.6-0.10, -0.120.150.958798701
2026-02-20 09:21:5927-57.9-68.7-26.76.11995-13.9-5.5-0.09, -0.120.150.978798702
2026-02-20 09:23:5928-59.5-69.3-25.96.32058-13.9-5.3-0.09, -0.120.150.878798703
2026-02-20 09:25:5929-60.8-69.8-26.06.42094-14.1-5.3-0.09, -0.120.150.008798704
2026-02-20 09:27:5930-62.7-69.5-26.06.72172-14.0-5.3-0.09, -0.120.150.008798705
2026-02-20 09:29:5931-63.8-69.1-25.96.82208-13.8-5.3-0.09, -0.120.150.008798706
2026-02-20 09:31:5932-65.1-69.3-26.06.92248-13.9-5.3-0.09, -0.120.150.008798707
2026-02-20 09:33:5933-66.4-69.3-25.87.02283-14.0-5.4-0.09, -0.120.150.008798708
2026-02-20 09:35:5934-66.9-69.3-25.67.12310-14.0-5.4-0.09, -0.120.150.008798709
2026-02-20 09:37:5935-66.7-68.4-25.37.12301-14.1-5.5-0.09, -0.130.160.008798710
2026-02-20 09:39:5936-66.5-68.0-23.77.12311-14.1-5.5-0.09, -0.120.160.008798711

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 )