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 13767
Detector 24h operating status:

Last processed image:    
   0 hours and 19 minutes ago (2026-08-09 19:36 UTC)
Last detected dimming:
   36 hours and 4 minutes ago (2026-08-08 07:51 UTC)


Overview for dimming #:
   13767           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 #: 13767          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-09-02 01:36:1110.00.00.00.00 , 0.003517287
2025-09-02 01:39:1120.00.00.00.00 , 0.003517288
2025-09-02 01:42:1130.00.00.00.00 , 0.003517291
2025-09-02 01:45:1140.00.00.00.00 , 0.003517292
2025-09-02 01:48:115-1.8-8.3-11.20.9156 , 0.003517295
2025-09-02 01:51:116-4.6-12.5-12.02.137039.0-51.6-0.62, 0.570.841.383517296
2025-09-02 01:54:117-6.6-14.4-13.02.949238.6-52.3-0.62, 0.570.840.003517299
2025-09-02 01:57:118-8.5-15.7-12.83.663238.4-51.8-0.62, 0.560.840.003517300
2025-09-02 02:00:119-9.3-16.6-13.33.866537.1-50.4-0.62, 0.540.820.003517303
2025-09-02 02:03:2310-11.4-17.4-15.04.375436.6-49.8-0.62, 0.530.820.003517304
2025-09-02 02:06:1111-12.4-19.2-15.64.477537.1-50.8-0.62, 0.540.830.003517307
2025-09-02 02:09:1112-14.1-19.0-15.74.786034.0-45.3-0.60, 0.490.770.003517308
2025-09-02 02:12:1113-14.8-19.5-15.64.989032.6-42.7-0.58, 0.460.740.003517311
2025-09-02 02:15:1114-15.9-18.8-16.05.092832.1-42.3-0.58, 0.450.730.003517312

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 )