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 15476
Detector 24h operating status:

Last processed image:    
   0 hours and 15 minutes ago (2026-04-26 09:48 UTC)
Last detected dimming:
   0 hours and 30 minutes ago (2026-04-26 09:33 UTC)


Overview for dimming #:
   15476           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 #: 15476          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-24 07:09:1110.00.00.00.00 , 0.003742012
2026-04-24 07:12:1120.00.00.00.00 , 0.003742013
2026-04-24 07:15:1130.00.00.00.00 , 0.003742014
2026-04-24 07:18:1140.00.00.00.00 , 0.003742017
2026-04-24 07:21:115-0.1-0.4-24.00.06 , 2.153742021
2026-04-24 07:24:116-0.4-3.0-13.90.1200.6-46.3-0.73, 0.070.731.923742022
2026-04-24 07:27:117-0.7-3.6-16.10.2380.5-46.4-0.73, 0.070.740.003742024
2026-04-24 07:30:118-1.1-7.1-16.70.366-1.7-42.8-0.69, 0.030.690.003742025
2026-04-24 07:33:119-1.4-10.3-18.50.369-1.5-42.9-0.69, 0.040.690.003742029
2026-04-24 07:36:1110-1.9-12.1-18.20.490-3.1-40.3-0.65, 0.010.650.003742030
2026-04-24 07:39:1111-2.2-13.5-15.90.4107-7.3-34.7-0.57, -0.060.580.003742032
2026-04-24 07:42:1112-2.0-12.7-18.00.490-4.7-41.3-0.67, -0.020.670.003742033
2026-04-24 07:45:1113-1.6-11.4-21.10.371-6.0-41.3-0.66, -0.040.670.003742036
2026-04-24 07:48:1114-2.5-13.6-18.10.5120-5.8-42.1-0.68, -0.040.680.003742037

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 )