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 13500
Detector 24h operating status:

Last processed image:    
   0 hours and 18 minutes ago (2025-08-04 13:39 UTC)
Last detected dimming:
   1 hours and 51 minutes ago (2025-08-04 12:06 UTC)


Overview for dimming #:
   13500           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 #: 13500          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-03 08:57:1110.00.00.00.00 , 0.003489691
2025-08-03 09:00:112-0.1-0.9-9.10.08 , 0.003489692
2025-08-03 09:03:113-2.9-10.4-9.91.028626.6-3.1-0.05, 0.360.360.003489695
2025-08-03 09:06:234-6.9-14.4-11.12.161626.3-2.4-0.04, 0.350.360.003489696
2025-08-03 09:09:115-11.4-16.8-11.33.395228.0-1.7-0.03, 0.380.380.003489699
2025-08-03 09:12:116-15.9-19.0-11.24.4129027.5-1.9-0.03, 0.370.370.953489700
2025-08-03 09:15:117-19.9-22.3-11.75.3153428.1-1.6-0.02, 0.380.380.003489703
2025-08-03 09:18:118-25.9-25.5-11.86.7193128.7-1.6-0.02, 0.390.390.003489704
2025-08-03 09:21:119-29.2-26.9-10.97.7221328.7-1.6-0.03, 0.390.390.003489707
2025-08-03 09:24:1110-33.0-29.2-11.48.3238829.1-1.8-0.03, 0.400.400.003489708
2025-08-03 09:27:1111-37.6-30.2-11.79.2265429.6-1.4-0.02, 0.410.410.003489711
2025-08-03 09:30:1112-40.0-30.7-12.19.4271329.4-1.0-0.02, 0.400.400.003489712
2025-08-03 09:33:1113-47.8-31.8-12.611.4314329.3-1.1-0.02, 0.400.401.083489715
2025-08-03 09:36:1114-56.1-34.0-12.813.3358329.4-0.9-0.01, 0.400.400.003489716

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 )