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 14565
Detector 24h operating status:

Last processed image:    
   0 hours and 22 minutes ago (2026-03-05 14:06 UTC)
Last detected dimming:
   3 hours and 49 minutes ago (2026-03-05 10:39 UTC)


Overview for dimming #:
   14565           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

more


Details for dimming #: 14565          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-12-04 11:45:1110.00.00.00.00 , 0.893605979
2025-12-04 11:48:1120.00.00.00.00 , 0.003605980
2025-12-04 11:51:1130.00.00.00.00 , 0.003605985
2025-12-04 11:54:114-0.7-7.6-21.30.127 , 0.003605986
2025-12-04 11:57:115-2.1-15.7-18.90.3100 , 2.013605987
2025-12-04 12:00:116-2.5-16.8-16.00.4120-13.93.40.06, -0.250.261.463605988
2025-12-04 12:03:117-4.4-22.5-16.40.6175-15.65.10.09, -0.280.290.003605992
2025-12-04 12:06:118-5.8-24.9-16.10.6193-15.34.60.08, -0.280.290.003605993
2025-12-04 12:09:119-7.2-26.1-17.90.7207-14.94.00.07, -0.270.280.003605997
2025-12-04 12:12:1110-7.2-25.5-21.80.6178-14.63.60.06, -0.260.270.003605998
2025-12-04 12:15:1111-8.4-29.2-20.60.6190-14.13.20.05, -0.260.260.003605999
2025-12-04 12:18:1112-11.9-96.4-17.30.7221-14.13.20.05, -0.250.260.003606000
2025-12-04 12:21:1113-12.9-102.0-16.80.7238-14.13.10.05, -0.250.260.003606005
2025-12-04 12:24:1114-13.7-112.9-15.90.8245-14.13.10.05, -0.250.260.003606006

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 )