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 15153
Detector 24h operating status: Last processed image: 0 hours and 19 minutes ago (2026-02-28 12:18 UTC) Last detected dimming: 1 hours and 27 minutes ago (2026-02-28 11:09 UTC) Overview for dimming #: 15153 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 #: 15153
time seq # total
intensity max
intensity median
intensity area size lat lon x,y in R☉ dist.
R☉ detection Img ID

2026-02-26 17:15:47 1 0.0 0.0 0.0 0.0 0 , 0.00 3684389

2026-02-26 17:18:11 2 0.0 0.0 0.0 0.0 0 , 0.00 3684390

2026-02-26 17:21:11 3 0.0 0.0 0.0 0.0 0 , 0.00 3684391

2026-02-26 17:24:11 4 0.0 0.0 0.0 0.0 0 , 0.00 3684394

2026-02-26 17:27:11 5 0.0 0.0 0.0 0.0 0 , 1.10 3684395

2026-02-26 17:30:11 6 0.0 0.0 0.0 0.0 0 , 7.00 3684398

2026-02-26 17:33:11 7 -1.8 -7.1 -7.4 0.0 224 -1.11, -0.20 1.13 2.65 3684399

2026-02-26 17:36:11 8 -6.4 -9.9 -7.6 0.0 806 -1.11, -0.20 1.13 0.90 3684402

2026-02-26 17:39:11 9 -11.7 -11.6 -8.4 0.0 1353 -1.12, -0.21 1.14 0.00 3684403

2026-02-26 17:42:11 10 -16.5 -12.9 -8.7 0.0 1823 -1.12, -0.22 1.14 0.00 3684406

2026-02-26 17:45:11 11 -20.7 -13.0 -8.6 0.0 2309 -1.12, -0.23 1.14 0.00 3684407

2026-02-26 17:48:11 12 -24.8 -13.8 -9.0 0.0 2670 -1.12, -0.26 1.15 0.00 3684413

2026-02-26 17:51:23 13 -27.0 -15.0 -9.2 0.0 2782 -1.12, -0.27 1.15 0.00 3684414

2026-02-26 17:54:11 14 -28.2 -15.2 -9.3 0.0 2882 -1.12, -0.29 1.15 0.00 3684415

2026-02-26 17:57:11 15 -29.5 -16.4 -9.6 0.0 2922 -1.12, -0.28 1.15 1.22 3684416

2026-02-26 18:00:11 16 -31.1 -17.0 -9.9 0.0 3005 -1.12, -0.28 1.15 1.20 3684417

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	size	x,y in R☉	dist. R☉	detection	Img ID
2026-02-26 17:15:47	1	0.0	0.0	0.0	0	,		0.00	3684389
2026-02-26 17:18:11	2	0.0	0.0	0.0	0	,		0.00	3684390
2026-02-26 17:21:11	3	0.0	0.0	0.0	0	,		0.00	3684391
2026-02-26 17:24:11	4	0.0	0.0	0.0	0	,		0.00	3684394
2026-02-26 17:27:11	5	0.0	0.0	0.0	0	,		1.10	3684395
2026-02-26 17:30:11	6	0.0	0.0	0.0	0	,		7.00	3684398
2026-02-26 17:33:11	7	-1.8	-7.1	-7.4	224	-1.11, -0.20	1.13	2.65	3684399
2026-02-26 17:36:11	8	-6.4	-9.9	-7.6	806	-1.11, -0.20	1.13	0.90	3684402
2026-02-26 17:39:11	9	-11.7	-11.6	-8.4	1353	-1.12, -0.21	1.14	0.00	3684403
2026-02-26 17:42:11	10	-16.5	-12.9	-8.7	1823	-1.12, -0.22	1.14	0.00	3684406
2026-02-26 17:45:11	11	-20.7	-13.0	-8.6	2309	-1.12, -0.23	1.14	0.00	3684407
2026-02-26 17:48:11	12	-24.8	-13.8	-9.0	2670	-1.12, -0.26	1.15	0.00	3684413
2026-02-26 17:51:23	13	-27.0	-15.0	-9.2	2782	-1.12, -0.27	1.15	0.00	3684414
2026-02-26 17:54:11	14	-28.2	-15.2	-9.3	2882	-1.12, -0.29	1.15	0.00	3684415
2026-02-26 17:57:11	15	-29.5	-16.4	-9.6	2922	-1.12, -0.28	1.15	1.22	3684416
2026-02-26 18:00:11	16	-31.1	-17.0	-9.9	3005	-1.12, -0.28	1.15	1.20	3684417