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 15899
Detector 24h operating status:

Last processed image:    
   0 hours and 22 minutes ago (2026-07-11 17:24 UTC)
Last detected dimming:
   24 hours and 51 minutes ago (2026-07-10 16:54 UTC)


Overview for dimming #:
   15899           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 #: 15899          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-07-02 21:51:1110.00.00.00.00 , 0.003808641
2026-07-02 21:54:112-6.3-25.4-20.12.229514.661.40.86, 0.230.890.003808644
2026-07-02 21:57:113-13.2-28.6-19.55.763814.662.00.86, 0.230.892.483808645
2026-07-02 22:00:114-17.0-29.6-22.17.875214.664.60.88, 0.230.911.643808648
2026-07-02 22:03:115-18.5-31.1-23.17.378314.664.40.88, 0.230.911.083808649
2026-07-02 22:06:116-19.2-30.9-21.97.684414.863.30.87, 0.230.902.653808652
2026-07-02 22:09:117-18.7-30.9-19.27.486714.854.60.80, 0.230.831.553808653
2026-07-02 22:12:118-18.7-30.7-18.27.591314.649.10.74, 0.220.775.233808656
2026-07-02 22:15:119-16.9-35.2-17.35.482914.646.70.71, 0.220.758.613808657
2026-07-02 22:18:1110-15.8-38.4-17.64.072314.545.10.69, 0.220.730.003808660
2026-07-02 22:21:1111-15.6-39.7-18.73.767814.343.50.67, 0.210.710.003808661
2026-07-02 22:24:1112-16.6-39.9-19.53.771114.343.00.67, 0.210.700.003808664
2026-07-02 22:27:1113-18.1-42.1-20.13.874114.441.70.65, 0.210.690.003808665
2026-07-02 22:30:1114-20.6-44.8-20.74.080212.340.60.64, 0.170.672.103808668
2026-07-02 22:33:1115-20.6-45.0-21.63.879212.440.30.64, 0.180.660.003808669
2026-07-02 22:36:1116-20.9-44.1-22.43.778612.340.20.64, 0.170.660.003808672
2026-07-02 22:39:1117-21.0-42.9-22.63.777312.040.40.64, 0.170.660.883808673

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 )