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 15262
Detector 24h operating status:

Last processed image:    
   0 hours and 23 minutes ago (2026-03-21 20:15 UTC)
Last detected dimming:
   4 hours and 2 minutes ago (2026-03-21 16:36 UTC)


Overview for dimming #:
   15262           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 #: 15262          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-03-21 04:09:1110.00.00.00.00 , 0.003704869
2026-03-21 04:12:1120.00.00.00.00 , 0.003704870
2026-03-21 04:15:1130.00.00.00.00 , 0.003704873
2026-03-21 04:18:1140.00.00.00.00 , 0.003704874
2026-03-21 04:21:115-0.6-2.7-80.70.08 , 1.673704879
2026-03-21 04:24:116-0.30.0-132.00.02 , 3.283704880
2026-03-21 04:27:117-3.6-9.3-9.00.0369-1.03, -0.401.111.933704881
2026-03-21 04:30:118-10.0-13.5-10.70.0873-1.07, -0.371.130.003704882
2026-03-21 04:33:119-13.2-14.5-10.60.01152-1.07, -0.371.130.003704887
2026-03-21 04:36:1110-15.2-15.7-10.80.01328-1.07, -0.371.130.003704888
2026-03-21 04:39:1111-28.3-23.0-12.24.82112-18.4-76.0-0.93, -0.290.970.003704889
2026-03-21 04:42:1112-37.4-25.4-12.37.42727-17.8-71.9-0.91, -0.270.950.003704890
2026-03-21 04:45:1113-42.4-28.1-12.38.13037-17.6-70.4-0.91, -0.260.950.003704893
2026-03-21 04:48:1114-47.4-29.6-12.38.83343-17.7-70.1-0.91, -0.270.940.003704894
2026-03-21 04:51:1115-52.5-31.0-11.810.03739-17.6-69.1-0.90, -0.260.940.003704899

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 )