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 15455
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 #:
   15455           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 #: 15455          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-21 08:42:1110.00.00.00.00 , 0.003739199
2026-04-21 08:45:1120.00.00.00.00 , 0.003739200
2026-04-21 08:48:1130.00.00.00.00 , 0.003739203
2026-04-21 08:51:114-3.9-9.4-11.00.0345-0.97, -0.501.090.003739204
2026-04-21 08:54:115-12.4-19.6-12.50.0951-0.98, -0.481.091.043739207
2026-04-21 08:57:116-19.1-25.5-12.50.01380-0.98, -0.471.091.783739208
2026-04-21 09:00:117-25.4-27.9-12.40.01810-0.98, -0.461.092.543739211
2026-04-21 09:03:118-33.2-29.1-10.60.02466-0.99, -0.451.092.773739212
2026-04-21 09:06:119-38.1-29.4-10.30.02907-0.99, -0.451.092.743739215
2026-04-21 09:09:1110-43.5-29.2-10.10.03409-0.99, -0.441.082.663739216
2026-04-21 09:12:1111-48.2-30.2-10.20.03850-0.99, -0.441.081.753739219
2026-04-21 09:15:1112-53.1-29.8-10.30.04257-0.99, -0.431.081.533739220
2026-04-21 09:18:1113-58.3-29.0-10.20.04748-0.99, -0.431.081.153739223
2026-04-21 09:21:1114-60.0-27.3-10.10.14961-0.99, -0.431.080.943739224
2026-04-21 09:24:1115-61.8-27.0-10.20.05137-0.98, -0.441.080.003739227
2026-04-21 09:27:1116-61.2-27.2-10.00.15136-0.98, -0.441.070.003739228
2026-04-21 09:30:1117-61.9-27.2-10.00.05194-0.98, -0.441.070.003739231
2026-04-21 09:33:1118-59.7-26.6-9.60.25178-0.98, -0.441.070.003739232
2026-04-21 09:36:1119-56.3-25.0-9.70.04920-0.98, -0.431.070.003739235
2026-04-21 09:39:1120-54.3-24.6-9.50.04832-0.98, -0.431.070.003739236
2026-04-21 09:42:1121-52.8-23.6-9.40.04772-0.98, -0.431.070.003739239
2026-04-21 09:45:1122-50.0-23.9-9.10.24645-0.99, -0.421.070.003739240

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 )