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 13344
Detector 24h operating status: Last processed image: 0 hours and 20 minutes ago (2026-07-20 06:27 UTC) Last detected dimming: 0 hours and 20 minutes ago (2026-07-20 06:27 UTC) Overview for dimming #: 13344 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 #: 13344
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-07-19 02:03:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3475443

2025-07-19 02:06:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3475444

2025-07-19 02:09:11 3 0.0 0.0 0.0 0.0 0 , 1.29 3475448

2025-07-19 02:12:11 4 0.0 0.0 0.0 0.0 0 , 1.86 3475449

2025-07-19 02:15:11 5 0.0 0.0 0.0 0.0 0 , 0.89 3475450

2025-07-19 02:18:11 6 0.0 0.0 0.0 0.0 0 , 0.94 3475452

2025-07-19 02:21:11 7 -1.4 -7.0 -8.8 0.0 162 , 0.00 3475453

2025-07-19 02:24:11 8 -3.5 -9.7 -9.2 0.0 374 -1.18, 0.25 1.21 0.00 3475457

2025-07-19 02:27:11 9 -4.9 -10.4 -9.3 0.0 513 -1.18, 0.25 1.21 0.00 3475458

2025-07-19 02:30:11 10 -9.6 -12.0 -9.1 0.0 1036 -1.17, 0.26 1.20 0.00 3475460

2025-07-19 02:33:11 11 -15.4 -12.8 -9.2 0.1 1631 -1.16, 0.29 1.20 1.38 3475462

2025-07-19 02:36:11 12 -20.1 -14.0 -9.3 0.0 2108 -1.16, 0.30 1.19 0.00 3475463

2025-07-19 02:39:11 13 -23.2 -14.3 -9.4 0.0 2406 -1.16, 0.30 1.19 0.00 3475470

2025-07-19 02:42:11 14 -25.3 -14.5 -9.5 0.0 2607 -1.16, 0.29 1.20 0.00 3475471

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 )

time	seq #	total intensity	max intensity	median intensity	area	size	x,y in R☉	dist. R☉	detection	Img ID
2025-07-19 02:03:11	1	0.0	0.0	0.0	0.0	0	,		0.00	3475443
2025-07-19 02:06:11	2	0.0	0.0	0.0	0.0	0	,		0.00	3475444
2025-07-19 02:09:11	3	0.0	0.0	0.0	0.0	0	,		1.29	3475448
2025-07-19 02:12:11	4	0.0	0.0	0.0	0.0	0	,		1.86	3475449
2025-07-19 02:15:11	5	0.0	0.0	0.0	0.0	0	,		0.89	3475450
2025-07-19 02:18:11	6	0.0	0.0	0.0	0.0	0	,		0.94	3475452
2025-07-19 02:21:11	7	-1.4	-7.0	-8.8	0.0	162	,		0.00	3475453
2025-07-19 02:24:11	8	-3.5	-9.7	-9.2	0.0	374	-1.18, 0.25	1.21	0.00	3475457
2025-07-19 02:27:11	9	-4.9	-10.4	-9.3	0.0	513	-1.18, 0.25	1.21	0.00	3475458
2025-07-19 02:30:11	10	-9.6	-12.0	-9.1	0.0	1036	-1.17, 0.26	1.20	0.00	3475460
2025-07-19 02:33:11	11	-15.4	-12.8	-9.2	0.1	1631	-1.16, 0.29	1.20	1.38	3475462
2025-07-19 02:36:11	12	-20.1	-14.0	-9.3	0.0	2108	-1.16, 0.30	1.19	0.00	3475463
2025-07-19 02:39:11	13	-23.2	-14.3	-9.4	0.0	2406	-1.16, 0.30	1.19	0.00	3475470
2025-07-19 02:42:11	14	-25.3	-14.5	-9.5	0.0	2607	-1.16, 0.29	1.20	0.00	3475471