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 15458
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 #:
   15458           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 #: 15458          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-22 05:15:1110.00.00.00.00 , 0.003740017
2026-04-22 05:18:1120.00.00.00.00 , 0.003740018
2026-04-22 05:21:1130.00.00.00.00 , 0.003740020
2026-04-22 05:24:234-0.7-7.1-30.40.12115.2-42.0-0.65, 0.330.731.993740021
2026-04-22 05:27:115-0.2-1.0-29.50.06 , 1.983740025
2026-04-22 05:30:1160.00.00.00.00 , 2.933740028
2026-04-22 05:33:117-0.9-7.3-26.60.12911.2-48.8-0.75, 0.250.793.303740029
2026-04-22 05:36:118-1.8-12.2-31.40.35311.3-48.5-0.74, 0.250.792.523740032
2026-04-22 05:39:119-2.7-15.5-34.20.36511.3-48.6-0.74, 0.260.791.143740033
2026-04-22 05:42:1110-2.9-17.1-39.60.36211.3-48.6-0.74, 0.260.790.003740034
2026-04-22 05:45:1111-3.4-21.8-41.60.36911.3-48.8-0.75, 0.250.790.003740037
2026-04-22 05:48:1112-2.2-20.5-63.30.23811.2-48.4-0.74, 0.250.780.003740038
2026-04-22 05:51:1113-1.0-11.2-67.40.11511.1-49.1-0.75, 0.250.790.003740041
2026-04-22 05:54:11140.00.00.00.00 , 0.003740042
2026-04-22 05:57:11150.00.00.00.00 , 0.003740045
2026-04-22 06:00:35160.00.00.00.00 , 0.003740046

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 )