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 15235
Detector 24h operating status:

Last processed image:    
   0 hours and 25 minutes ago (2026-03-21 14:18 UTC)
Last detected dimming:
   9 hours and 52 minutes ago (2026-03-21 04:51 UTC)


Overview for dimming #:
   15235           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 #: 15235          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-03-14 02:09:1110.00.00.00.00 , 0.003698100
2026-03-14 02:12:1120.00.00.00.00 , 0.003698104
2026-03-14 02:15:1130.00.00.00.00 , 0.003698105
2026-03-14 02:18:114-2.0-10.0-12.40.615220.2-15.8-0.26, 0.460.530.003698108
2026-03-14 02:21:115-14.9-17.0-10.84.9122420.9-18.6-0.30, 0.470.561.153698109
2026-03-14 02:24:116-27.1-20.6-12.68.7204322.2-23.2-0.37, 0.490.611.953698111
2026-03-14 02:27:117-38.8-29.5-13.510.7251520.5-17.7-0.29, 0.460.553.473698112
2026-03-14 02:30:118-39.0-31.2-14.110.2236420.6-18.1-0.29, 0.470.552.753698117
2026-03-14 02:33:119-40.3-30.9-13.710.3238621.0-19.1-0.31, 0.470.570.003698118
2026-03-14 02:36:1110-43.6-27.0-13.711.7267321.4-20.6-0.33, 0.480.580.003698119
2026-03-14 02:39:1111-48.3-28.9-14.112.7288621.3-20.2-0.33, 0.480.580.003698120
2026-03-14 02:42:1112-50.0-30.1-14.312.6288921.3-20.1-0.32, 0.480.580.003698125
2026-03-14 02:45:1113-51.4-32.0-14.813.0296521.0-19.3-0.31, 0.470.570.003698126
2026-03-14 02:48:1114-54.7-32.7-15.113.6311221.1-19.4-0.31, 0.470.570.003698127
2026-03-14 02:51:1115-56.2-33.2-15.913.5307821.2-19.9-0.32, 0.470.570.003698128

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 )