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 15391
Detector 24h operating status:

Last processed image:    
   0 hours and 19 minutes ago (2026-04-30 05:45 UTC)
Last detected dimming:
   0 hours and 18 minutes ago (2026-04-30 05:45 UTC)


Overview for dimming #:
   15391           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 #: 15391          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-03 01:21:1110.00.00.00.00 , 0.003725200
2026-04-03 01:24:1120.00.00.00.00 , 0.003725201
2026-04-03 01:27:1130.00.00.00.00 , 0.003725202
2026-04-03 01:30:114-0.5-2.7-10.30.2466.022.10.38, 0.210.430.853725203
2026-04-03 01:33:115-2.5-8.2-9.80.82455.423.50.40, 0.200.450.003725204
2026-04-03 01:36:116-4.4-11.4-10.71.33835.423.60.40, 0.200.452.413725205
2026-04-03 01:39:117-6.5-12.3-10.81.95425.423.60.40, 0.200.450.003725206
2026-04-03 01:42:238-9.8-15.7-11.32.67745.723.00.39, 0.200.440.003725207
2026-04-03 01:45:119-12.2-18.5-10.83.19245.822.80.39, 0.210.440.003725208
2026-04-03 01:48:1110-15.5-20.1-11.93.710805.723.50.40, 0.200.450.003725209
2026-04-03 01:51:1111-18.0-20.8-12.24.111925.624.10.41, 0.200.460.003725210
2026-04-03 01:54:3512-20.8-23.5-13.04.212465.624.30.41, 0.200.460.003725211
2026-04-03 01:57:1113-23.6-24.8-13.74.713825.224.30.42, 0.190.460.003725212
2026-04-03 02:00:1114-26.1-27.1-14.85.014625.524.40.42, 0.200.460.003725213

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 )