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 15572
Detector 24h operating status:

Last processed image:    
   0 hours and 20 minutes ago (2026-05-19 06:36 UTC)
Last detected dimming:
   33 hours and 8 minutes ago (2026-05-17 21:48 UTC)


Overview for dimming #:
   15572           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 #: 15572          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-05-05 18:30:1110.00.00.00.00 , 0.003753023
2026-05-05 18:33:1120.00.00.00.00 , 0.003753026
2026-05-05 18:36:1130.00.00.00.00 , 0.003753027
2026-05-05 18:39:114-21.1-59.8-19.72.5769-16.912.70.21, -0.230.320.003753030
2026-05-05 18:42:115-38.7-100.8-21.04.01215-17.012.80.21, -0.230.322.273753031
2026-05-05 18:45:116-47.4-105.6-19.65.11555-17.112.70.21, -0.240.322.943753034
2026-05-05 18:48:117-54.4-95.7-18.76.11847-17.212.50.21, -0.240.321.883753035
2026-05-05 18:51:118-61.1-107.3-19.56.82047-17.212.40.21, -0.240.320.913753038
2026-05-05 18:54:119-65.1-108.6-20.87.22197-17.112.30.21, -0.240.310.003753039
2026-05-05 18:57:1110-72.2-101.2-22.67.82372-16.911.50.19, -0.230.300.003753042
2026-05-05 19:00:1111-71.4-88.8-22.48.02452-16.610.80.18, -0.230.290.003753043
2026-05-05 19:03:1112-67.4-72.8-22.18.02447-16.110.20.17, -0.220.280.003753046
2026-05-05 19:06:1113-59.4-55.4-22.07.22211-16.210.00.17, -0.220.280.003753047
2026-05-05 19:09:1114-53.6-46.3-20.57.02129-15.28.20.14, -0.200.250.003753050
2026-05-05 19:12:1115-52.4-47.4-20.76.72054-14.16.70.11, -0.180.220.003753051
2026-05-05 19:15:1116-45.5-49.5-20.75.61722-13.96.20.11, -0.180.210.003753054

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 )