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 15456
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 #:
   15456           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 #: 15456          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-21 14:36:1110.00.00.00.00 , 0.003739435
2026-04-21 14:39:1120.00.00.00.00 , 0.003739436
2026-04-21 14:42:1130.00.00.00.00 , 0.003739441
2026-04-21 14:45:1140.00.00.00.00 , 0.003739442
2026-04-21 14:48:115-0.3-4.2-22.80.015-1.10, 0.421.181.363739443
2026-04-21 14:51:116-5.7-26.9-19.80.0265-1.10, 0.411.172.723739444
2026-04-21 14:54:117-13.4-35.1-15.60.0730-1.10, 0.421.173.493739447
2026-04-21 14:57:118-25.9-39.7-15.90.01311-1.10, 0.411.173.123739448
2026-04-21 15:00:119-35.1-49.9-16.90.01583-1.10, 0.401.172.773739451
2026-04-21 15:03:1110-44.4-59.3-18.00.01847-1.10, 0.391.172.453739452
2026-04-21 15:06:1111-48.4-61.6-18.00.01987-1.10, 0.391.171.583739455
2026-04-21 15:09:1112-51.9-61.7-17.80.02136-1.10, 0.391.170.003739456
2026-04-21 15:12:1113-54.1-61.1-18.10.02214-1.10, 0.401.170.003739459
2026-04-21 15:15:1114-57.8-62.0-18.40.02363-1.10, 0.401.170.003739460
2026-04-21 15:18:1115-61.4-64.3-19.30.02422-1.10, 0.401.170.003739463
2026-04-21 15:21:1116-63.3-65.2-20.60.02403-1.10, 0.401.170.003739464
2026-04-21 15:24:1117-64.6-66.5-21.00.02384-1.10, 0.401.170.003739468
2026-04-21 15:27:1118-65.3-67.4-21.00.02417-1.10, 0.401.170.003739469
2026-04-21 15:30:1119-66.7-69.2-20.20.02490-1.10, 0.401.170.003739471

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 )