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 13919
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2025-09-28 04:48 UTC)
Last detected dimming:
   2 hours and 28 minutes ago (2025-09-28 02:39 UTC)


Overview for dimming #:
   13919           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

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Details for dimming #: 13919          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-22 19:39:1110.00.00.00.00 , 0.003537185
2025-09-22 19:42:1120.00.00.00.00 , 0.003537186
2025-09-22 19:45:1130.00.00.00.00 , 0.003537189
2025-09-22 19:48:1140.00.00.00.00 , 1.873537190
2025-09-22 19:51:1150.00.00.00.00 , 0.863537193
2025-09-22 19:54:1160.00.00.00.00 , 3.083537194
2025-09-22 19:57:1170.00.00.00.00 , 1.863537197
2025-09-22 20:00:1180.00.0-9.70.01 , 4.033537198
2025-09-22 20:03:1190.00.0-9.80.01 , 3.933537203
2025-09-22 20:06:23100.00.00.00.00 , 3.943537204
2025-09-22 20:09:11110.00.0-8.40.01 , 2.343537205
2025-09-22 20:12:11120.00.0-8.10.02-30.3-48.5-0.65, -0.580.871.033537208
2025-09-22 20:15:1113-0.1-0.6-13.00.18-30.4-48.1-0.65, -0.580.871.213537209
2025-09-22 20:18:11140.0-0.3-9.70.05 , 0.993537210
2025-09-22 20:21:1115-0.1-0.8-12.00.110-30.4-47.9-0.65, -0.580.870.003537215
2025-09-22 20:24:1116-0.1-1.0-11.60.110 , 0.003537216
2025-09-22 20:27:1117-0.10.0-13.50.04-30.4-47.9-0.65, -0.580.870.003537217
2025-09-22 20:30:3518-0.1-0.7-13.80.19 , 0.003537218
2025-09-22 20:33:1119-0.2-1.8-15.50.111 , 0.003537223

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 )