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 15212
Detector 24h operating status:

Last processed image:    
   0 hours and 23 minutes ago (2026-04-16 13:33 UTC)
Last detected dimming:
   7 hours and 35 minutes ago (2026-04-16 06:21 UTC)


Overview for dimming #:
   15212           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 #: 15212          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-03-05 18:21:1110.00.00.00.00 , 0.003691132
2026-03-05 18:24:1120.00.00.00.00 , 0.003691133
2026-03-05 18:27:113-1.0-8.6-14.60.147 , 0.003691134
2026-03-05 18:30:114-5.5-18.4-15.40.82621.8-3.4-0.06, 0.160.170.003691135
2026-03-05 18:33:115-8.1-19.9-16.01.13482.7-2.2-0.04, 0.180.182.503691141
2026-03-05 18:36:116-11.5-26.0-19.11.34353.0-2.0-0.04, 0.180.181.843691142
2026-03-05 18:39:117-12.6-28.1-23.71.24003.6-1.3-0.02, 0.190.190.003691143
2026-03-05 18:42:118-13.9-38.2-28.01.23954.0-0.8-0.01, 0.200.200.003691146
2026-03-05 18:45:119-16.8-40.4-23.91.65073.7-1.0-0.02, 0.190.190.003691147
2026-03-05 18:48:1110-15.6-34.9-23.91.44653.7-0.8-0.01, 0.190.190.003691148
2026-03-05 18:51:1111-15.2-34.4-21.51.54813.5-0.9-0.02, 0.190.190.003691151
2026-03-05 18:54:2312-18.5-36.2-23.21.85693.5-1.0-0.02, 0.190.190.003691152
2026-03-05 18:57:1113-20.8-45.3-24.41.96183.8-0.7-0.01, 0.190.190.003691155
2026-03-05 19:00:1114-22.7-47.7-25.22.06573.9-0.6-0.01, 0.200.200.003691156

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 )