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 13664
Detector 24h operating status:

Last processed image:    
   0 hours and 18 minutes ago (2025-08-25 15:03 UTC)
Last detected dimming:
   0 hours and 60 minutes ago (2025-08-25 14:21 UTC)


Overview for dimming #:
   13664           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 #: 13664          
timeseq #total
intensity
max
intensity
median
intensity
areasizelatlonx,y in R☉dist.
R☉
detectionImg ID
2025-08-21 04:27:1110.00.00.00.00 , 0.003506551
2025-08-21 04:30:1120.00.00.00.00 , 0.003506552
2025-08-21 04:33:1130.00.00.00.00 , 0.003506557
2025-08-21 04:36:1140.00.00.00.00 , 0.003506558
2025-08-21 04:39:115-0.3-3.4-10.10.028-1.14, 0.131.140.003506559
2025-08-21 04:42:116-2.5-11.4-12.90.0190-1.15, 0.181.162.533506560
2025-08-21 04:45:117-3.9-12.8-12.40.0296-1.15, 0.191.171.283506563
2025-08-21 04:48:118-4.8-13.3-10.80.0398-1.15, 0.221.171.523506564
2025-08-21 04:51:119-5.5-14.5-11.50.0436-1.15, 0.211.171.123506569
2025-08-21 04:54:2310-5.0-14.3-12.60.0371-1.15, 0.191.160.003506570
2025-08-21 04:57:1111-5.0-13.6-12.60.0368-1.15, 0.191.160.003506571
2025-08-21 05:00:1112-5.4-13.7-11.90.0410-1.15, 0.191.160.003506572
2025-08-21 05:03:1113-5.8-13.9-11.80.0442-1.14, 0.181.160.003506575
2025-08-21 05:06:1114-6.4-14.7-11.70.0482-1.14, 0.171.160.003506576
2025-08-21 05:09:1115-6.5-14.7-12.10.0481-1.14, 0.161.150.003506579
2025-08-21 05:12:1116-6.2-14.6-12.10.0452-1.14, 0.161.150.003506580
2025-08-21 05:15:1117-6.4-16.0-12.60.0445-1.14, 0.151.150.003506583

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 )