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 13539
Detector 24h operating status: Last processed image: 0 hours and 45 minutes ago (2026-07-13 12:15 UTC) Last detected dimming: 23 hours and 36 minutes ago (2026-07-12 13:24 UTC) Overview for dimming #: 13539 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 #: 13539
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2025-08-06 10:42:11 1 0.0 0.0 0.0 0.0 0 , 0.00 3492519

2025-08-06 10:45:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3492522

2025-08-06 10:48:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3492523

2025-08-06 10:51:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3492526

2025-08-06 10:54:11 5 -0.6 -5.4 -18.7 0.1 32 , 0.00 3492527

2025-08-06 10:57:11 6 -7.2 -15.6 -13.2 1.7 493 6.7 26.5 0.45, 0.02 0.45 6.80 3492530

2025-08-06 11:00:11 7 -13.5 -18.7 -13.9 3.1 905 4.7 20.5 0.35, -0.02 0.35 6.03 3492531

2025-08-06 11:03:11 8 -21.5 -23.3 -12.5 5.1 1505 4.6 20.0 0.34, -0.02 0.35 6.54 3492534

2025-08-06 11:06:11 9 -30.0 -24.7 -13.0 6.9 2032 2.9 14.8 0.26, -0.05 0.26 1.64 3492535

2025-08-06 11:09:11 10 -37.3 -25.4 -12.8 8.4 2487 1.7 11.3 0.20, -0.08 0.21 0.00 3492538

2025-08-06 11:12:11 11 -46.0 -28.6 -13.1 9.9 2958 1.0 9.4 0.17, -0.09 0.19 0.00 3492539

2025-08-06 11:15:11 12 -52.6 -31.5 -13.2 11.2 3326 0.1 7.2 0.13, -0.11 0.17 0.00 3492541

2025-08-06 11:18:11 13 -53.4 -32.2 -13.1 11.2 3331 0.6 8.6 0.15, -0.10 0.18 0.00 3492542

2025-08-06 11:21:11 14 -56.7 -36.1 -13.5 11.4 3395 0.0 7.4 0.13, -0.11 0.17 0.00 3492546

2025-08-06 11:24:11 15 -56.7 -36.9 -13.8 11.2 3339 0.5 8.4 0.15, -0.10 0.18 0.00 3492547

2025-08-06 11:27:11 16 -57.4 -38.8 -13.8 11.4 3381 0.1 7.3 0.13, -0.11 0.17 0.00 3492550

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	lat	lon	x,y in R☉	dist. R☉	detection	Img ID
2025-08-06 10:42:11	1	0.0	0.0	0.0	0.0	0			,		0.00	3492519
2025-08-06 10:45:11	2	0.0	0.0	0.0	0.0	0			,		0.00	3492522
2025-08-06 10:48:11	3	0.0	0.0	0.0	0.0	0			,		0.00	3492523
2025-08-06 10:51:11	4	0.0	0.0	0.0	0.0	0			,		0.00	3492526
2025-08-06 10:54:11	5	-0.6	-5.4	-18.7	0.1	32			,		0.00	3492527
2025-08-06 10:57:11	6	-7.2	-15.6	-13.2	1.7	493	6.7	26.5	0.45, 0.02	0.45	6.80	3492530
2025-08-06 11:00:11	7	-13.5	-18.7	-13.9	3.1	905	4.7	20.5	0.35, -0.02	0.35	6.03	3492531
2025-08-06 11:03:11	8	-21.5	-23.3	-12.5	5.1	1505	4.6	20.0	0.34, -0.02	0.35	6.54	3492534
2025-08-06 11:06:11	9	-30.0	-24.7	-13.0	6.9	2032	2.9	14.8	0.26, -0.05	0.26	1.64	3492535
2025-08-06 11:09:11	10	-37.3	-25.4	-12.8	8.4	2487	1.7	11.3	0.20, -0.08	0.21	0.00	3492538
2025-08-06 11:12:11	11	-46.0	-28.6	-13.1	9.9	2958	1.0	9.4	0.17, -0.09	0.19	0.00	3492539
2025-08-06 11:15:11	12	-52.6	-31.5	-13.2	11.2	3326	0.1	7.2	0.13, -0.11	0.17	0.00	3492541
2025-08-06 11:18:11	13	-53.4	-32.2	-13.1	11.2	3331	0.6	8.6	0.15, -0.10	0.18	0.00	3492542
2025-08-06 11:21:11	14	-56.7	-36.1	-13.5	11.4	3395	0.0	7.4	0.13, -0.11	0.17	0.00	3492546
2025-08-06 11:24:11	15	-56.7	-36.9	-13.8	11.2	3339	0.5	8.4	0.15, -0.10	0.18	0.00	3492547
2025-08-06 11:27:11	16	-57.4	-38.8	-13.8	11.4	3381	0.1	7.3	0.13, -0.11	0.17	0.00	3492550