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 15904
Detector 24h operating status:

Last processed image:    
   0 hours and 19 minutes ago (2026-07-22 00:39 UTC)
Last detected dimming:
   1 hours and 19 minutes ago (2026-07-21 23:39 UTC)


Overview for dimming #:
   15904           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 #: 15904          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-07-03 11:39:1110.00.00.00.00 , 0.003809193
2026-07-03 11:42:1120.00.00.00.00 , 0.003809196
2026-07-03 11:45:003-3.4-13.1-11.71.1266-20.227.50.44, -0.390.590.003809197
2026-07-03 11:48:114-15.2-35.3-19.82.9726-21.525.70.41, -0.420.580.003809200
2026-07-03 11:51:115-31.4-40.9-14.96.91690-21.725.80.41, -0.420.591.393809201
2026-07-03 11:54:116-36.8-41.2-13.39.22225-21.826.00.41, -0.420.594.903809203
2026-07-03 11:57:117-37.0-38.0-13.09.92382-22.025.90.41, -0.420.593.543809205
2026-07-03 12:00:118-36.8-37.5-14.19.22203-22.226.10.41, -0.430.590.003809208
2026-07-03 12:03:119-34.0-38.5-14.68.11948-22.325.90.41, -0.430.590.003809209
2026-07-03 12:06:1110-30.4-39.5-13.37.61820-22.225.80.41, -0.430.590.003809212
2026-07-03 12:09:1111-37.7-35.6-11.811.22512-22.425.90.41, -0.430.590.003809213
2026-07-03 12:12:1112-35.6-34.0-11.510.72448-22.526.00.41, -0.430.600.003809216
2026-07-03 12:15:1113-28.9-31.2-12.68.01900-22.425.90.41, -0.430.590.003809217
2026-07-03 12:18:1114-27.8-28.6-13.07.81846-22.626.30.41, -0.430.600.003809220
2026-07-03 12:21:1115-25.4-25.4-12.67.51762-23.027.10.43, -0.440.610.003809221

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 )