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 13666
Detector 24h operating status:

Last processed image:    
   0 hours and 15 minutes ago (2025-08-25 15:06 UTC)
Last detected dimming:
   0 hours and 60 minutes ago (2025-08-25 14:21 UTC)


Overview for dimming #:
   13666           back to overview

Animations and graphs
   derotated original images ( non-derotated )
   dimming intensity ( overlaid on HMI )
   dimming mask

   base difference ( percentage )
   running difference ( percentage )

more

more

more


Details for dimming #: 13666          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-21 19:30:1110.00.00.00.00 , 0.003507154
2025-08-21 19:33:1120.00.00.00.00 , 0.003507155
2025-08-21 19:36:1130.00.00.00.00 , 0.003507156
2025-08-21 19:39:114-0.7-5.9-10.80.067 , 0.003507157
2025-08-21 19:42:115-2.5-11.2-10.40.0235-1.17, -0.401.230.003507158
2025-08-21 19:45:116-6.1-14.0-9.90.0571-1.16, -0.401.232.943507161
2025-08-21 19:48:117-6.8-18.0-12.40.0523-1.16, -0.391.231.703507162
2025-08-21 19:51:118-8.8-20.1-13.90.0627-1.16, -0.391.232.863507168
2025-08-21 19:54:119-11.3-23.6-13.70.0793-1.17, -0.401.233.393507169
2025-08-21 19:57:1110-12.9-25.7-13.90.0861-1.16, -0.401.231.963507170
2025-08-21 20:00:1111-12.9-27.2-14.70.0822-1.16, -0.401.230.853507171
2025-08-21 20:03:1112-13.7-27.7-14.20.0864-1.16, -0.401.230.003507173
2025-08-21 20:06:1113-14.1-29.7-15.20.0849-1.16, -0.401.230.003507177
2025-08-21 20:09:1114-14.6-29.6-14.40.0904-1.16, -0.401.230.003507178
2025-08-21 20:12:1115-15.0-29.5-15.10.0921-1.16, -0.401.230.003507179
2025-08-21 20:15:1116-17.1-30.0-14.60.01065-1.16, -0.401.230.003507182
2025-08-21 20:18:1117-19.5-31.3-14.60.01188-1.16, -0.401.230.003507183
2025-08-21 20:21:1118-21.3-31.8-15.10.01286-1.16, -0.401.230.003507188

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 )