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 15334
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2026-04-23 00:24 UTC)
Last detected dimming:
   2 hours and 14 minutes ago (2026-04-22 22:30 UTC)


Overview for dimming #:
   15334           back to overview

Animations and graphs
   derotated original images ( non-derotated )
   dimming intensity
   dimming mask

   base difference ( percentage )
   running difference ( percentage )

more

more

more


Details for dimming #: 15334          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-01 07:27:1110.00.00.00.00 , 0.003715318
2026-04-01 07:30:112-0.9-6.5-9.20.394 , 0.003715319
2026-04-01 07:33:113-2.4-10.2-10.00.8234 , 0.003715328
2026-04-01 07:36:114-3.8-11.5-9.61.3345 , 0.003715329
2026-04-01 07:39:115-6.4-12.7-10.32.2578-31.916.50.24, -0.440.500.003715330
2026-04-01 07:42:116-10.1-18.4-11.13.2839-32.618.50.27, -0.450.530.893715331
2026-04-01 07:45:117-12.3-21.5-11.03.8978-31.918.60.27, -0.440.520.003715332
2026-04-01 07:48:118-16.1-31.8-12.34.21086-29.820.00.30, -0.410.510.003715333
2026-04-01 07:51:119-18.6-40.7-12.24.81208-29.221.00.32, -0.400.510.003715334
2026-04-01 07:54:1110-25.2-44.9-12.06.91707-29.621.80.33, -0.400.520.853715335

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 )