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 15869
Detector 24h operating status:

Last processed image:    
   0 hours and 23 minutes ago (2026-07-17 02:00 UTC)
Last detected dimming:
   1 hours and 47 minutes ago (2026-07-17 00:36 UTC)


Overview for dimming #:
   15869           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 #: 15869          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-06-29 19:57:111-0.5-5.8-13.40.135-6.2-18.6-0.32, -0.160.361.083805692
2026-06-29 20:00:112-2.3-12.6-14.70.5149-6.3-18.9-0.33, -0.160.361.053805695
2026-06-29 20:03:113-8.9-21.7-14.91.7461-12.0-21.3-0.36, -0.250.441.123805696
2026-06-29 20:06:114-11.4-27.5-17.72.0549-14.5-23.0-0.38, -0.300.480.003805699
2026-06-29 20:09:115-18.2-31.5-18.43.0804-13.6-22.3-0.37, -0.280.470.003805700
2026-06-29 20:12:116-23.0-37.5-18.63.6996-15.9-23.5-0.39, -0.320.502.513805703
2026-06-29 20:15:117-27.6-42.6-19.04.31172-16.7-23.4-0.39, -0.330.510.003805704
2026-06-29 20:18:118-29.8-46.3-18.54.51225-16.8-23.1-0.38, -0.340.510.003805707
2026-06-29 20:21:119-32.6-49.0-18.84.91351-16.8-23.0-0.38, -0.340.510.893805708
2026-06-29 20:24:1110-35.1-48.4-18.75.31474-16.7-22.3-0.37, -0.330.501.103805711
2026-06-29 20:27:1111-35.8-49.3-18.85.31463-16.0-22.0-0.37, -0.320.490.003805712
2026-06-29 20:30:1112-33.8-48.3-19.84.71306-15.6-21.8-0.36, -0.310.480.003805715
2026-06-29 20:33:1113-34.5-46.0-20.24.81343-15.5-21.3-0.35, -0.310.470.913805716
2026-06-29 20:36:1114-38.8-43.1-19.85.41523-15.6-19.7-0.33, -0.320.460.003805719

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 )