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 15461
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 #:
   15461           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 #: 15461          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-22 09:48:1110.00.00.00.00 , 0.003740198
2026-04-22 09:51:1120.00.00.00.00 , 0.003740201
2026-04-22 09:54:1130.00.00.00.00 , 0.003740204
2026-04-22 09:57:1140.00.0-14.20.01 , 0.003740205
2026-04-22 10:00:115-0.4-2.9-19.20.12110.1-42.9-0.68, 0.240.720.873740208
2026-04-22 10:03:116-0.9-7.2-20.70.24710.4-43.0-0.68, 0.250.723.153740209
2026-04-22 10:06:117-1.1-6.9-20.30.2559.7-43.4-0.69, 0.230.720.003740210
2026-04-22 10:09:118-1.3-7.0-20.30.36410.1-43.5-0.69, 0.240.730.003740213
2026-04-22 10:12:119-2.0-10.0-16.90.510710.4-43.2-0.68, 0.250.720.003740214
2026-04-22 10:15:1110-2.6-12.8-15.90.613610.3-43.1-0.68, 0.240.720.003740216
2026-04-22 10:18:1111-2.4-13.1-16.50.511910.3-43.3-0.68, 0.240.720.003740217
2026-04-22 10:21:1112-3.4-17.0-17.50.715010.6-43.3-0.68, 0.250.730.003740220
2026-04-22 10:24:1113-3.8-18.0-17.30.816810.6-43.2-0.68, 0.250.730.003740221
2026-04-22 10:27:1114-4.3-18.4-19.50.817410.9-43.2-0.68, 0.250.730.003740225

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 )