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 15170
Detector 24h operating status:

Last processed image:    
   0 hours and 23 minutes ago (2026-03-01 07:39 UTC)
Last detected dimming:
   0 hours and 34 minutes ago (2026-03-01 07:27 UTC)


Overview for dimming #:
   15170           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 #: 15170          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2026-02-28 19:36:1110.00.00.00.00 , 0.003686390
2026-02-28 19:39:1120.00.00.00.00 , 0.003686391
2026-02-28 19:42:1130.00.00.00.00 , 0.003686395
2026-02-28 19:45:114-0.1-0.6-11.40.112 , 0.003686396
2026-02-28 19:48:115-0.8-6.8-16.50.24525.4-30.6-0.47, 0.530.700.003686399
2026-02-28 19:51:116-2.1-10.6-13.70.512525.4-30.6-0.47, 0.530.713.133686400
2026-02-28 19:54:117-3.3-13.8-10.60.921025.4-30.6-0.47, 0.530.711.263686403
2026-02-28 19:57:118-5.4-16.1-11.81.433125.4-31.0-0.47, 0.530.710.973686404
2026-02-28 20:00:119-6.7-17.5-11.71.740025.3-31.1-0.47, 0.530.710.003686405
2026-02-28 20:03:1110-8.3-24.8-11.82.148225.4-31.2-0.47, 0.530.710.003686408
2026-02-28 20:06:1111-9.8-27.7-12.12.454725.4-31.1-0.47, 0.530.710.003686409
2026-02-28 20:09:1112-11.4-32.6-11.32.863425.5-31.1-0.47, 0.530.710.003686412
2026-02-28 20:12:1113-13.0-34.1-12.23.272425.4-31.2-0.47, 0.530.710.003686415
2026-02-28 20:15:1114-13.9-36.1-12.43.375025.5-31.1-0.47, 0.530.710.003686416
2026-02-28 20:18:1115-16.9-40.1-12.54.190725.5-31.0-0.47, 0.530.710.003686419
2026-02-28 20:21:1116-18.6-41.6-11.94.7102025.4-31.1-0.47, 0.530.710.003686420

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 )