Solar Demon Dimming Detection (qlk)

Quick-look! running in real time on SDO/AIA 211 QLK data
3 minute cadence, typical delay 15 minutes
(detection version 1.00)
(view all Solar Demon detection tools)

Overview of dimming 15099
Detector 24h operating status:

Last processed image:    
   0 hours and 25 minutes ago (2026-03-09 20:18 UTC)
Last detected dimming:
   5 hours and 7 minutes ago (2026-03-09 15:36 UTC)


Overview for dimming #:
   15099           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 #: 15099          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-02-12 13:06:1110.00.00.00.00 , 0.003670951
2026-02-12 13:09:1120.00.00.00.00 , 0.003670954
2026-02-12 13:12:1130.00.00.00.00 , 0.003670955
2026-02-12 13:15:114-0.7-5.8-10.90.067 , 0.003670958
2026-02-12 13:18:115-10.9-21.6-10.10.09261.12, -0.241.140.003670959
2026-02-12 13:21:116-19.0-27.1-11.00.014361.11, -0.231.143.963670964
2026-02-12 13:24:117-27.1-29.4-11.90.018991.12, -0.231.142.253670965
2026-02-12 13:27:118-31.6-30.8-12.20.021921.11, -0.231.141.083670966
2026-02-12 13:30:119-34.3-31.4-12.10.023921.11, -0.231.140.003670967
2026-02-12 13:33:1110-36.9-32.0-11.90.025601.11, -0.241.140.003670971
2026-02-12 13:36:1111-38.1-32.0-11.80.026881.12, -0.241.140.003670972
2026-02-12 13:39:1112-41.7-32.1-11.80.029651.12, -0.241.140.003670973
2026-02-12 13:42:1113-45.0-32.0-11.90.032181.12, -0.241.140.003670975
2026-02-12 13:45:1114-48.2-32.6-11.80.034561.12, -0.241.140.003670978
2026-02-12 13:48:1115-52.2-33.2-11.30.038461.12, -0.231.140.003670979
2026-02-12 13:51:1116-57.3-34.3-10.80.043001.12, -0.231.140.003670983

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 )