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 13505
Detector 24h operating status:

Last processed image:    
   0 hours and 18 minutes ago (2026-05-14 20:06 UTC)
Last detected dimming:
   0 hours and 42 minutes ago (2026-05-14 19:42 UTC)


Overview for dimming #:
   13505           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 #: 13505          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-03 18:45:1110.00.00.00.00 , 0.003490083
2025-08-03 18:48:3520.00.00.00.00 , 0.003490084
2025-08-03 18:51:1130.00.00.00.00 , 0.893490087
2025-08-03 18:54:114-0.4-3.3-9.80.13410.3-23.7-0.40, 0.080.410.003490088
2025-08-03 18:57:115-1.5-8.0-10.40.51349.9-24.2-0.41, 0.080.420.003490090
2025-08-03 19:00:116-2.2-8.6-11.50.61626.5-27.2-0.46, 0.020.463.123490091
2025-08-03 19:03:117-2.9-13.0-11.80.71936.4-27.2-0.46, 0.020.465.013490095
2025-08-03 19:06:118-3.5-18.5-11.50.72116.4-27.1-0.46, 0.020.460.003490096
2025-08-03 19:09:119-4.1-19.7-11.00.82476.8-27.0-0.46, 0.030.460.003490099
2025-08-03 19:12:1110-5.3-23.6-11.61.03016.3-27.3-0.46, 0.020.460.003490100
2025-08-03 19:15:1111-5.8-25.5-13.61.02878.0-26.1-0.44, 0.050.440.003490103
2025-08-03 19:18:2312-7.0-27.0-14.41.13308.7-25.8-0.44, 0.060.440.003490104
2025-08-03 19:21:1113-8.5-32.1-14.81.23608.2-26.1-0.44, 0.050.440.003490107
2025-08-03 19:24:1114-8.6-30.9-16.11.23468.8-25.9-0.44, 0.060.440.003490110
2025-08-03 19:27:1115-9.4-32.7-16.61.33749.1-25.7-0.43, 0.070.440.003490111

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 )