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 15301
Detector 24h operating status:

Last processed image:    
   0 hours and 21 minutes ago (2026-03-30 07:51 UTC)
Last detected dimming:
   0 hours and 27 minutes ago (2026-03-30 07:45 UTC)


Overview for dimming #:
   15301           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 #: 15301          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-03-28 13:30:111-3.7-19.0-16.01.0213 , 0.003711856
2026-03-28 13:33:112-10.4-29.9-24.01.940433.5-29.9-0.42, 0.640.770.003711859
2026-03-28 13:36:113-11.1-30.5-22.02.246333.0-29.9-0.42, 0.630.760.003711860
2026-03-28 13:39:114-9.3-27.8-21.02.041032.5-29.9-0.43, 0.630.760.003711863
2026-03-28 13:42:115-8.9-26.4-19.82.041231.7-29.9-0.43, 0.620.750.003711864
2026-03-28 13:45:116-10.7-25.8-18.42.451032.5-30.0-0.43, 0.630.760.883711869
2026-03-28 13:48:117-12.7-28.4-17.13.265232.3-29.7-0.42, 0.620.750.003711870
2026-03-28 13:51:118-14.7-30.9-14.63.877932.7-29.7-0.42, 0.630.760.003711871
2026-03-28 13:54:119-19.9-36.1-13.65.5110332.9-29.7-0.42, 0.630.760.003711872
2026-03-28 14:09:1110-26.2-45.5-15.16.5128533.1-29.9-0.42, 0.630.760.003711881

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 )