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 15540
Detector 24h operating status:

Last processed image:    
   0 hours and 24 minutes ago (2026-05-03 09:21 UTC)
Last detected dimming:
   0 hours and 41 minutes ago (2026-05-03 09:03 UTC)


Overview for dimming #:
   15540           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 #: 15540          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-04-30 00:48:1110.00.00.00.00 , 1.583747516
2026-04-30 00:51:1120.00.00.00.00 , 0.003747517
2026-04-30 00:54:1130.00.00.00.00 , 0.003747520
2026-04-30 00:57:1140.00.00.00.00 , 0.003747521
2026-04-30 01:00:115-0.5-5.4-15.00.13612.217.40.30, 0.280.411.913747524
2026-04-30 01:03:116-1.0-8.4-14.20.26612.017.30.29, 0.280.413.583747525
2026-04-30 01:06:117-2.0-10.4-15.50.41157.830.90.52, 0.200.551.123747528
2026-04-30 01:09:118-3.7-13.0-15.20.71946.534.10.56, 0.180.590.003747529
2026-04-30 01:12:119-4.9-17.5-15.70.92426.434.40.57, 0.180.590.003747532
2026-04-30 01:15:1110-6.4-19.9-16.01.23276.534.20.57, 0.180.590.003747533
2026-04-30 01:18:1111-7.3-21.8-15.11.33656.434.40.57, 0.180.590.003747536
2026-04-30 01:21:1112-9.3-25.4-17.61.64166.635.20.58, 0.180.610.003747537
2026-04-30 01:24:1113-11.0-30.3-17.31.84656.535.00.58, 0.180.600.873747540
2026-04-30 01:27:1114-12.7-38.4-17.22.05256.334.80.57, 0.170.601.213747541

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 )